Answer:
12x^2-2x-5
Step-by-step explanation:
(9x2 + 3x - 2) + (3x2 - 5x - 3)
Combine like terms
9x^2+3x^2+3x-5x-2-3
12x^2-2x-5
Answer:
Width: 95 ft
Length: 100 ft
Step-by-step explanation:
Width: x
Length x+5
2x + 2(x+5) = 390 ft
2x + 2x + 10 = 390
4x = 390 - 10
x = 380/4
x = 95
Answer:
107.4
Step-by-step explanation:
(8×6) ÷ 2 = 24
(9.2×6) = 55.2
6× (18.6-9.2) ÷ 2 = 28.2
24 + 55.2 + 28.2 = 107.4
The coordinates move from point a to point b by moving 4 to the left which means the width is four and also the coordinates from b to c is also 4 which would make the height 4 so the answer would be 16
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