How to solve the rational equation? ( include steps not just the answer)
1/3 + 1/2 = 1/x

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

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?