Use the data in the table to express the value of the nth term of the arithmetic sequence as a function of n. Then use that formula to find the twelfth term of the sequence.

Can someone check my answer? you

What is not true about kl and mn? what is mn? (show your work)

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?