Find the coordinates of the midpoint of each segment formed by the given points. (2, 4) and (-4,-9)
(-4, 4 ) and (8.5)

Need on this geometry question. explain how you did it.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

Simplify the expression below -3(10x+4y)+6(6x-2y)