Find the zeros of the function f(x) = 1/3 x^2 + 72

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

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Adriveway is 40 yards long about how many meters long is it