Answer:
2/3
Step-by-step explanation:
1-(-7)=8 8/12 simplify= 2/3
9-(-3)=12
Perimeter is going to be figured by using 2L + 2W
2(60) +2W = 210
120 +2W = 210
-120 -120
2W = 90
divde by 2 on both sides
W = 45
Length of the shorter sides are 45 inches.
Answer:

Step-by-step explanation:
Linear Equations do not have the value of x squared. They also shouldn't have the x value taken by the square root.
The second and third equations would be graphed as non-linear functions.
Answer: 20.5
Step-by-step explanation:
Answer: the third one down
26 miles times 5,280 feet
Step-by-step explanation:
Look at the units. Miles over miles will cancel, leaving feet... 1 mile is 5,280 feet, because a mile is bigger than a foot, and there are 5,280 feet per 1 mile.