Twice the difference of a number and 7 is at most 15

Given the regular polygon find the measure of each numbered angle

Elena walked twelve miles. Then she walked 0.25 that distance. How far did she walk all together?

Olivia ties 2 feet of ribbon onto one ballon. how many yards of ribbon does olivia need for 18 balloons

Find the slope of 1/3

Explain why using either compatible numbers or rounding as a method for estimation would be the same for 32*695?

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.