Line A: y=1/2x + 2 Line B: y= -1/2x + 7
Line C: y= -2x + 4
Line D: y= 1/2x + 5/4
Which lines are perpendicular?

A) A and B
B) A and C
C) B and C
D) A and D

Explain the answer and how to do it

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?