Which of the following expressions are equivalent to 48? select all that apply.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

Iknow the answer but the calculator doesn't seem to give the right one