9+-3 means 9 plus 3 less
basically it is 9-3=6
L=2W-4
PERIMETER=2L+2W
58=2(2W-4)+2W
58=4W-8+2W
58=6W-8
6W=58+8
6W=66
W=66/6
W=11 ANS. FOR THE WIDTH.
L=2*11-4
L=22-4
L=18 ANS. FOR THE LENGTH.
PROOF:
58=2*18=2*11
58=36+22
58=58
Answer:
the purpose of this as is to get everyone excited about the roller coaster
Step-by-step explanation:
Answer:
when the rest of the variables are held constant
Step-by-step explanation: