Answer:
9/14 ; 18/23 ; 8/15
Step-by-step explanation:
7/21 = 1/3
6/15 = 2/3
Answer:
d
Step-by-step explanation:
If two lines are perpendicular, the statement that must be true is : D. The product of their slopes is -1
Lets say that a line has a slope of 2, the line which perpendicular to that line would have a slope of -1/2
Which means, the product would be 2(-1/2) = -1
hope this helps
i think its the 2nd or 1st one
rlly tried here!