Number 1 is a because you would minus 1 from both sides to get the x alone.
Answer:97 °
Step-by-step explanation:
83° & b° are a supplementary angle, meaning that they equal 180°. So:
83 + b = 180
b = 97°
The answer would be i<span>n step 4, he made an error in determining which value is closer to 82.5</span>
Answer: 42.6% or you can round it to 43%
Step-by-step explanation:
BD = AC/2
4x+2 = (5x+13)/2
2(4x+2) = 5x+13
8x + 4 = 5x+13
8x - 5x = 13 -4
3x = 9
x = 3
