What is 5 + 6 i need a lot of with this

Mr angulo buy 5/8 pound of red grapes and 3/8 pound of green grapes.how many pounds of grapes did mr angulo buy

Tell whatever the ordered pair is a solution of the given system.

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases