Answer:
Step-by-step explanation:
1 yd = 3 ft...so 1 1/2 yds = 4.5 ft
12.23 / 4.5 = 2.717 rounds to 2.72 per foot <==
Try plotting the points on a graph, it might make it a bit easier to figure out an equation
Answer: A) y= -1/2x+5
Step-by-step explanation: If the line is perpendicular to the original, the new "m" (coefficient of x) has to be the negative reciprocal of the original "m"