C(h)=80h+210
80h+210=490 subtract 210 from both sides
80h=280 divide both sides by 80
h=3.5 hours
Answer:
In order to calculate perimeter, you need to add together the lengths of all four sides of the square. You are given the length of one side. Remember, all sides of a square are equal, so really you already have the measures of each side. Then, you add them together, so 6 + 6 + 6 + 6 = 24 inches.
Step-by-step explanation:
Answer:
I believe the answer is <em>C</em>
Step-by-step explanation:
Answer:
a c
Step-by-step explanation:
