What is the slope of the line described by the equation below? y – 5 = –3(x – 17) a. 3 b. 5 c. –5 d. –3

Can someone me out here number 4 plz

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)