Calculate the weight of a 5.7 kg object on Earth where a gravity = 9.8 m/s2. Calculate the weight
of the same object if it was on the Moon where a gravity = 1.6 m/s2.

After two years, how much has been paid into interest?

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?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)