2. What is the pay rate for someone who works 3 hours and earns $21? A. $5/hour
B. $6/hour
C. $7/hour
D. $8/hour
pls answer

C. $7/hour

Step-by-step explanation:

To solve this you would do 21/3 to get the unit rate. Which in this case is the answer. And since 21/3 = 7, the answer would be $7 per hour.

Hope this helps :D

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !