Solve the equation sin(x° − 20°) = cos(42°) for x, where 0 < x < 90.

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x. which term can she add to the polynomial that would not change its grestest common factor? check all that apply

An equation where variables are used to represent known values—function notation true or false

What is the missing step in this proof ?