Answer:
-22
Step-by-step explanation:
First do r(3) by replacing x with 3 in r:
2*3^2 + 2 = 2*9 + 2 = 18 + 2 = 20
Then replace r(3) with 20 to do q(20):
-20-2 = -22
Answer:
88
Step-by-step explanation:
Simplify the expression -88/
3(8x-1)

in exponent form and in word form it is 10 to the 5th power
Answer:
3.06417777
Step-by-step explanation:
cos(40)=x/4