4(2)^4 -2(7)^2 + 40
4*16 - 2*14 +40
64 - 28 + 60
96 ans
Simply multiply the baby's original weight, which is 7.25 lbs, by 2.5
7.25lbs x 2.5 = 18.125 lbs
The baby weighted 18.125 pounds at the end of 8 months.
Hope this helps and May the Force Be With You!
-Jabba
Solve for x by simplifying both sides of the equation, and then isolating the variable.
10. x = -1
12. x = 23/19
The answer to (-7)×(2)×(-2) is 28