Round 12.566370614359 to the nearest hundredth

Consider the surface given by 2x^2+5y^2+z^2=4. The surface is sliced by planes of the form x=a, y=b or z=c for values of a, b, c given below.

What is 8-3 (4+2) + 2 (9) ?

Loretta's income last year was $81,300. She made $56,800 at her salaried job and had additional passive income. If Loretta earned the same amount of passive income each month for the entire year, approximately how much per month was it?

What is missing in this problem in order to solve it? A space ship traveled from the earth to the moon in 248 hours. How fast did it travel?

The community garden has a $125 to purchase new plants that cost $15.99 each and bags of soil that cost $12.50 each where X is the number of purchase plants and Y is the number of purchased bags of soil.

Two experiments are defined below. An event is defined for each of the experiments. Experiment I: Ryan draws a ball from a bag that contains six balls, each of a different color. Only one of the balls is red.

We draw 2 cards from a deck of 52 cards. what is the probability that both are queens?

Y=5x2. quadratic equation

How to differentiate t tests

What is one ecample of an odd trigonometric function? ecplain?