Try It! Side Length (x)
Perimeter (y)
() The table shows the side lengths and
perimeters of regular hexagons. Is the
relationship between the perimeter and
the side length of the hexagons
proportional? Explain.
2.
12
3
18

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Select the two pairs of figures that are similar.