How many rooms are in the white house? dont look it up just guess. its for my algebra 2 class.

What is the frequency of the sinusoidal graph?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

The measure of an angle is 117°. what is the measure of a supplementary angle?