I need help on this question. “Find the midpoint of the line that begins at coordinates (-9,2) and ends (7, 12)

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x