Answer: 8 1/2 is less than 9 1/2, 8 1/2< 9 1/2
Answer:
x = 10 Perimeter: 129
Step-by-step explanation:
FINDING X:
4x+7 = 5x -3
7 = x -3
10 = x
x = 10
PERIMETER:
4x + 7 + 5x - 3 + 4x - 5
Combine the "x" values
13x + 7- 3 - 5
Combine the numbers
13x - 1
13(10) -1
130 - 1
129
Distribute.
n(n+3)
Answer : n^2+3n
Area = l x w
Area =9 x 4.25
A = 48.25
A≈ 48 in²