Answer:
18
Step-by-step explanation:

Answer:
2
Step-by-step explanation:
<em>Add 1.5 to both sides:</em>
5/2x-1.5+1.5=3.5+1.5
5/2x=5
<em>Multiply both sides by 2/5</em>
(2/5)*(5/2x)=(2/5)*(5)
Answer:
127°
Step-by-step explanation:
RQN and MNQ are the same
Answer:
f(5) = -7
Step-by-step explanation:
If f(x) = -3x + 8, find f(5)
Just plug in x = 5 into the function
f(5) = -3(5) + 8
f(5) = -15 + 8
f(5) = -7