JK is formed by J (-12,3) and K (8-5) if the line r is the perpendicular bisector of JK, write an equation for line r in slope-intersect form?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.