Answer:
addition prop of equality
Step-by-step explanation:
youre welcome
Answer:
b = c - a - D
Step-by-step explanation:

Answer: undefined
Step-by-step explanation:
The answer is undefined because when you plug in the points in the formula
y2-y1/ x2-x1 the denominator is 0 which makes it undefined. Also when you put it into a graphing calculator it will say that its undefined.
89% I.e C should be the answer I hope it helps you . it should be
4+5=9
4÷9×200=88.8% approximately 89%