Answer:
<h2>
4x+4</h2>
Basic fact:
<em>all sides of a square are equal</em>
Step-by-step explanation:
1 side is x+1 so all sides are x+1
there are 4 sides so times everything by 4
4(x+1) which is 4x+4
Answer:
B
Step-by-step explanation:
7 + x = 84
Subtract 7 from both sides.
x = 77
Answer:
A=60 inches by 72 inches
B=increased 600%
Step-by-step explanation:
Scale is 6 times bigger, so 12*6=72
A=60 inches by 72 inches
First painting perimeter: 10+10+12+12=44 inches
Second painting perimeter: 60+60+72+72=264 inches
264/44*100%=600%
