找到你今天要练的题。

Darrel has a blanket with an area of 110 square inches (in²). Darrel plans to enlarge the blanket by sewing on pieces of fabric, where each piece would increase the blanket area by 64 in². Which equation gives the blanket's total area, y , in square inches, after Darrel sews on x of these pieces of fabric?

Jay walks at a speed of 3 miles per hour and runs at a speed of 5 miles per hour. He walks for w hours and runs for r hours for a combined total of 14 miles. Which equation represents this situation?

Vivian bought party hats and cupcakes for $71. Each package of party hats cost $3, and each cupcake cost $1. If Vivian bought 10 packages of party hats, how many cupcakes did she buy?

An airplane descends from an altitude of 9,500 feet to 5,000 feet at a constant rate of 400 feet per minute. What type of function best models the relationship between the descending airplane's altitude and time?

A window repair specialist charges $220 for the first two hours of repair plus an hourly fee for each additional hour. The total cost for 5 hours of repair is $400. Which function \( f \) gives the total cost, in dollars, for x hours of repair, where \( x\ge2 \)?

The cost to rent a bus from Company X is $950 for the first 3 hours and an additional $50 per hour for each hour after the first 3 hours. If the total cost to rent the bus from Company X for t hours, where \( t>3 \), is $1,150, which equation represents this situation?

\( 8x+11y=170 \) 
The equation gives the possible combinations of the number of 2009 premium grade Log Cabin Pennies, x, and the number of 1996 select grade Lincoln Pennies, y, in a collection that is worth a total of $170. If there are 6 1996 select grade Lincoln Pennies in the collection, how many 2009 premium grade Log Cabin Pennies are in the collection?

In a chess tournament, each participant earns 1 point for each game the participant plays that ends in a draw and 3 points for each game the participant wins. A certain participant in this tournament has earned 41 points. Which equation represents this situation, where d represents the number of games this participant has played that ended in a draw and w represents the number of games this participant has won?

Josie purchased a pass that cost $19.50 to tour a nature preserve. She also purchased 10 identical stickers to give to her nieces and nephews. The pass and the stickers cost $62.00 total. What was the cost of one sticker?

Jay walks at a speed of 3 miles per hour and runs at a speed of 5 miles per hour.He walks for w hours and runs for r hours for a combined total of 14 miles.Which equation represents this situation?

The total cost f(x), in dollars, to lease a car for 36 months from a particular car dealership is given by f(x) = 36x ＋ 1,000, where x is the monthly payment, in dollars. What is the total cost to lease a car when the monthly payment is $400?

John paid a total of $165 for a microscope by making a down payment of $37 plus p monthly payments of $16 each. Which of the following equations represents this situation?