Ineed on how to do all of this pls.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

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?