The program reports a mean of 31.5 and a standard deviation of 2.5. What is the variance of the data? Round to the nearest tenth.

Which angles are supplementary? A. ∠AFC and ∠CFB B. ∠AFC and ∠DFB C. ∠AFB and ∠CFD D. ∠AFD and ∠CFB

Sale price is $75 it was 20% off what was the original price

F (x) = - 2x2 + 4x + 1

Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (3x - 4) feet, (x2 - 1) feet, and (2%? - 15) feet.

The sum of three consecutive odd integers is 225. find the three integers

What is the solution to the quadratic equation? y = x^2-4

Sunny earns $12 per hour delivering cakes. She worked for x hours this week. Unfortunately, she was charged $15 for a late delivery on Tuesday. How much money did Sunny earn this weekend?

One track coach wants her athletes to race 2 miles around a track to measure how fast each person can run? If the track is 2/3 of a mile around, then how many laps around the track will athletes have to run to complete the race?

Which of the following is a composite number? 48 67 13 31

What is a like radical to cube root 54 after simplifying