Question Solve: -9(y + 7) - 5 = - 77 Provide your answer below: y =

7x+8y=-18, 4x-9y=-3 solve the system of equations

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?