What is the slope of the line that passes through the points (-10,–8) and (-8,-16)? Write your answer in simplest form

What is 32+4 x (16 x 1/2) -2 show your work}

Which of the following contains a variable?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?