Naomi has earned $78 mowing lawns the past two days. She worked 4 1
2
hours yesterday and 5
1
4
hours today. If Naomi is paid the same amount for every hour she works, how much does she earn per hour to mow lawns?

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

Which is f(5) for the function –2x2 + 2x - 3?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?