Answer:
y=5x
Step-by-step explanation:
If the input is x, then the out put is 5x. So y=5x


Dividing both sides by two,

OK, part 1.

When

then

Part 2.

When

then
If you add 7 to negative 7, it would be y=0.
Answer: y=0
He gave away 9 (20 x (3/7) =9) so 21-9=12
Answer:
The answer is B or pi/2 to pi radians.
Step-by-step explanation: