Answer:
-21
Step-by-step explanation:
3x7=21 and a negative x a positive is always negative
Answer:
Straight?
Step-by-step explanation:
Hello,
y=sin²(cos(2x))
y'=2*sin(cos(2x))*cos(cos(2x))*(-sin(2x)*2)
= -4*sin(cos(2x))*cos(cos(2x))*sin(2x)
Answer:
See below
Step-by-step explanation:
Many ways...
x+x-3
2x-6+3
5x-3x-3
(4x-6)/2
And the list goes on...
It's A because of 162.75/.35