Which of the following statements is false?
A. (8y^2+2)-(4-2y^2)=10y^2-2
B. (y^2-7)+(2y+2)=2y^2-9
C. (y^2-7)+(2y^2+3)=3y^2-4
D. (y^3-y)-(y^2+4)=y^3-y^2-y-4

Write the inverse of the logarithmic function used to represent the situation in model 1, f(x)=3+2in x . express the answer in radical form.

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?