John's car gets 36 miles to one gallon of gas. How much gas will he use to travel 81 miles?

Which expressions would complete this equation so that it has infinitely many solutions? 8+2 (8x - 6) = Choose exactly two answers that are correct. a. 2 (4x+7) b. 9x - 10 c. 16x - 4 d. 4 (4x - 1)

What is the percent increase of 40 to 65

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Consider the following used to find the volume of a cone

Solve for (x) and (y): 0.4x+0.3y=1 0.1y=0.2x

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.