3x+y=5

3y-z=2

X+z=5

Solve for x, y, z

Solve by Gaussian elimination

You were billed $28.50 $28.50 for additional data usage on your cell phone at a rate of $9 $9 per gigabyte. Three choices are correct ways to calculate the additional gigabytes, g g, that you used. Which choice is NOT?

A model for a proposed computer chip measures 1/3 inch by 1 1/3 inches. Find its area.

How do you calculate the area of a triangle using trigonometry?

Pat had 9 flowerpots, and she wants to plant a different type of flower in each one. There are 11 types of flowers available at the garden shop. In how many different ways can she choose the flower

A postcard collector has 1,230 postcards. If she displays them on pages that hold 6 cards each, how many pages does she need?

Find the area of the triangle that has a base of 5 inches in a height of 3 3/4 inches

An amusement park's owners are considering extending the weeks of the year that it is opened. The owners would like to survey 100 randomly selected families to see whether an extended season would be of interest to those that may visit the amusement

What is the domain of the function y=2√x-5 A. x≥-5 B. x≥2 C. x≥5 D. x≥10

Which statement correctly compares 8/15 and 5/8 A. 8/15 > 5/8 B. 8/15 < 5/8 C. 8/15 = 5/8

Numbers between 231 and 239