. Greg bought 5 new sweatshirts at one store for a total of $63. His younger brother Zachary bought 4 sweatshirts at a different store and paid $54. a. Explain the meaning of unit rate, and give the unit rate for each boy.
b. Which is the better buy?

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Evaluate cos2θ for cosθ = square root of 3/2

Solve -.016x= -16. need solving this