Find the LCD of the two fractions 1/6 and 1/5 A. 6

B. 5

C. 30

D. 11

Find the quotient. 50a2 – 98b2 -5a +7b

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

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?