3 SUPER hard math questions HELP!
Evaluate the following: 42 ÷ (3 + 1). (5 points)


4

3

2

1
3.
(01.02 LC)
What is the simplified form of the following expression?

(y8)(y2) (5 points)


y10

y6

y16

y64
4.
(01.02 MC)
Evaluate the following expression using the values given:

Find 5x − 3y − z if x = −2, y = 2, and z = −3 (5 points)