<span>mean of 3.2 pounds and standard deviation of 0.8 pound</span>
Answer:
2x + x +90= 180 We will add 2x + x=3x We get 3x + 90 =180 Now we subtract 3x = 180–90 ... x=30, for confirmation put value of x =30in equation and verify. LHS=RHS. Thats it. 68 views.
The answer is b I believe
10 to the second power=100
74.75/100= .7475
