Keiala drives 324 miles in 4 hours. How many miles does she drive each hour?

She drove an average of 81 miles per hour.

324/4 = 81

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

step-by-step explanation:

a and d