What is the cost of a gallon of gasoline at a gasoline station where a sale of 6.8 gallons costs a customer $9.18?

$1.35 a gallon

Step-by-step explanation:

$9.18 / 6.8gallons = $1.35 per gallon.

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

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