You can set up a proportion: 1/2:1/15=x:1

Cross multiply:
1/2=1/15x

Divide both sides by 1/15:
7.5=x

Robert can run 7.5 miles in an hour

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

In the rectangle below ac=30 units what is de

Y+ 2/y is it a polynomial in one variable or not? and if so, why?