Which number is prime?
A. 4
B. 10
C. 22
D. 31

How many 2/5s are in 1 and 1/2 plz someone me right now

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

What is the value of the discrimination for the quadratic equation 0=×2+2+×2