1. At best buy they have a 50" TV that sells for $1450 and is on sale for 20% and sales tax is 7.5%. What is the final cost?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

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?