Which expression simplifies to 15x8

Find the rate of change for the situation. You run 7 miles in one hour and 21 miles in three hours.

How many triangles can be drawn with side lengths 3ft, 4ft, and 5ft

segment A B is parallel to segment C D and the slope of segment A B is - 3 over 5. What is the slope of segment C D? - 3 over 5 5 over 3 3 over 5 - 5 over 3

Find the area of circle x that has a radius XY at coordinates X = (0,2) and Y = (3,2). Round to the nearest hundredth place.

One side of a rectangle is 8 units. Another side is 5 units. What is the perimeter of the rectangle?

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.