PLS HELP!
what is the correct relationship amongst among z, x, and b?

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

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct