Adam had 91dollars. If he spent 21 dollars on new books, what is the ratio of the money he still has to money he's spent.

Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia paid for the shirt?

Which best describe the meaning of the statement " if A, then B"?

The temperature during the day in Miami was 92 Degrees F. During the night, the temperature fell 4 Degrees F. What expression could be used to calculate the temperature in the morning? A. 92 + 4 B. 92 - (-4) C. 92 - 4 D. - 92 + 4

At the school dance, the ratio of boys to girls is 7 to 20. If there are 80 girls, how many boys are there?

The sides of a triangle are 3x+2, 6x-1 and 7-x. Express the perimeter of the triangle in terms of x.

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.