The slope of a line can be positive, negative, zero, or undefined. A horizontal line has slope zero since it does not rise vertically (i.e. y1 − y2 = 0), while a vertical line has undefined slope since it does not run horizontally (i.e. x1 − x2 = 0)
Answer:
x=14
y=27
z=43
Step-by-step explanation:
hope it helps!
Your answer is $2
She spent $2 on each pencil 2 x 7 = 14 take away 14 from 24 you get 10
