Please explain a step by step. If you see someone responds with a file, please still explain because those people are just giving viruses.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.