Points A, B, C, and D are arranged on a line in that order. If AC = 13, BD = 14, and AD = 21, then BC =

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120