If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
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4/5

5

16

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?

Use the balanced scale to find the conversion factor that can be used to convert the number of blocks to the weight of the blocks in pounds.

The length of a basketball court is 84 feet. kareem starts at one end of the court and runs 20 feet forward and then 8 feet back. how many more times will he have to do this until he reaches the end of the basketball court? what equation represents this relationship? !