Tell whether x and y are proportional.
x -1 0 1 2
y -2 -1 0 1

Use the distributive law to multiply. 3(4x + 5y + 6)

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120