Hey can someone help with the question in the image? Also please click on my profile and answer my other questions! I'll mark you as brainiest!

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.