Choose the correct answer that simplifies each expression. 5/8m + 9 - 3/8m - 15

a.) 1/4m - 6
b.) m + 6
c.) 1/4m + 6

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet