Joshua earns $8.20 per hour when he works at the college library. how much money does he earn if he works at the library for 4.5 hours

If square root x = -7, then x= -49 true or false

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

Find the area of the unshaded square