Answer: x = 6.56
Step-by-step explanation: -0.4x - 0.5 + x = 3.63
-0.4x^2 - 0.5 = 3.63
-0.4x^2 = 4.13
0.63x = 4.13
x = 6.56
4b+6=5 —— that’s correct because it’s asking for the sum of 4 times and number and 6=5 and sum is addition
The perimeter would be 3/8+3/8+4/5+4/5= 2.35 or 2 7/20 square foot.
I hope this helps.
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Answer:
x+18
Step-by-step explanation: