For the line segment whose endpoints are r(1,2) and s(6,7), find the y value for the point located 3/4 the distance from r to s.

a) 4.25
b)4.75
c)5.25
d)5.75

Find the value of x for which the lines are parallel.

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !