All you have to do for this is take your inches (18 7/10 or 18.7) and divide it by the number of hours (12) which makes 1.56in per hour.
Answer:
graph 1 proportional
graph 2&3 is non proportional
i think
Answer:
Because the hypotenuse might not be a perfect square
Step-by-step explanation:
The answer is <span>7 x 3/4 in simplest form = 21/4</span>