In △
△ABC, AB = 20, BC = 26, m
∠
∠A = 52.
Find m
∠
∠C. Round to the nearest degree.

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

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

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid