Solve the following system of equations. Express your answer as an ordered pair in the format (a, b), with no spaces between the numbers or symbols.
2x+7y=-7
-4x-3y=-19

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

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Do, h = (7, 9) (14, 18) the scale factor is