Which equation is equivalent to 8 − 2x = 12? a) 2x − 8 = −12 b) 2x − 8 = 12 c) x − 4 = 6 d) 2x = 20

What is the measure of x? 43° 86° 172° 344°

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?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function