What was the interest rate if your balance on an investment of $1,541 at the end of three years is $2,197.10 and the interest was compounded quarterly?

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?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Use the irregular polygon below. show all work. a. find the perimeter. b. find the area. the angles of the irregular polygon is 2, 8, 8, and 4.