In the diagram below of triangle FGH, J is a midpoint of F'G and K is a midpoint of GH. IfJK = 88 – 9x, and FH 7x - 49, what
is the measure of JK?
G
K
F
H

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

What is the equation, in point-slope form, of the line that has a slope of 6 and passes through the point (–1, –8)? a. y+8 = 6 (x+1 )

Elm street is straight. willard's house is at point h between the school at point s and the mall at point m. if sh = 3 miles and hm = 4.5 miles, what is the value of sm in miles?