In the diagram below of AGJK, H is a point on GJ, HJ = JK, m2 = 28, and mZGJK = 76.
What is mZGKH?
28
7
H

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

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?