Answer:
0
Step-by-step explanation:
5(x+3) replace x with -3
5(-3+3)
5(0)
0
Answer:
x=14
Step-by-step explanation:
8x-9+6x-7 = 180 (being adjacent angles)
14x-16 = 180
14x = 180+16
14x =196
x = 196/14
x =14
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C. To find the y-intercept, substitute in 0 for x and solve for y. y-intercept= (0,33)
2×3=6. And 1/2(2×2)=2. 2+6=8. 8 square units.