Help pls :) how many real and complex roots does the graph have?

a. 2 real and 2 complex
b. 2 real and 4 complex
c. 4 real
b. 2 real

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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?