PLS ANSWER WILL GIVE BRAINLEIST

Place; + - x ÷
9_9_9_9

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

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?