Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4x-y+3z = 12 x+4y+6z = - 32 5x+3y+9z = 20

Solve for x. 12x=20 1/40 1/10 10 40

A spinner is divided into 4 equal sections. Which of the following are true? The spinner will land on each section of the spinner an equal number of times. The theoretical probability is 25% for each section.

Am English class has a read the first 384 pages of their novel. If this is 75% of the entire book, how many total pages are in the novel?

Tom earn $12.50 per hour at the Yankee bowling alley. He regularly works 40 hours per week. He is paid time and a half for each hour overtime work. Last week he worked 42 hours that his gross pay for the week

Allison makes 3 groups of 10 muffins she also makes 7 more muffins how many muffins does she make in all

What is the sum of 1 3/8 and 2 3/16

Calculate the measure of one angle in a regular nonagon. A. 140° B. 180° C. 1,260° D. 1,620°

A soccer league has 160 players. of those players 40% are boys. how many boys are in the soccar team

How is the equation y=2x similar to the equation y=2x+3 in the example problem? How is it different?

A middle school band is selling candy bars and nuts to raise money for a field trip. Each candy bar, b, costs $1.50 and each box of nuts, n, costs $4.00. If they raised $418, what expression shows the portion that came from candy bar sales?