Hailey earned $90 for working 12 hours. how much would she earn for working 20 hours?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

1: 4 if the wew 35 surfboards at the beach how many were short boards?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.