13+9=22
5+18=23
22x23=506
½x5x13=32.5
9x5=45
½x9x18=81
506-32.5-45-81=347.5
Answer: c
Step-by-step explanation:
Answer:
The answer is B. 4.286
2.826+1.46= 4.286
10 units
LMNO is a square.
All sides of square are equal
MN = LM
3x + 1 = x + 7
3x - x = 7 - 1
2x = 6
x = 6/2
x = 3
LM = x + 7 = 3 + 7 = 10
LM = 10 units