Answer:
2x+x-8
Step-by-step explanation:
Kevin is 2x-8
Nancy is x
2x-8+x
A
25g>200
so A
if my answer helps please mark as brainliest.
b
y = -cos(2x)
Mean/mid line: y = 0
It's a negative cos, with period pi.
So, y = -cos(2x)