Use Gauss-Jordan elimination to solve the following linear system. - 4x + 4y + 5z = 9 - 2x + 2y + z = 3 - 4x + 5y = 4

The student to faculty ratio at a small colleges 17 to 3 the total number of students and faculty is 740 how many faculty members are there at the college how many students

What is the equivalent ratio for 70:55

If your lawnmower uses 1/3 of a gallon of gas to cut grass for one hour and you have 5/6 gallins of gas how long can you cut the grass with this amount of gas and how do i get the answer

Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost $2.50 each. She spent a total of $50. Use a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.

If cos x = sin (20 + x) ° and 0° < x < 90°, the value of x is

How do you round 673 grams to the nearest 10

Write a decimal that is 1/10 of. 9

What is the common ratio of the following geometric sequence 5/12, 1/4,3/20,9/100,27/500

What is the synonymous Unbelievable

A charitable organization is planning a benefits concert to generate funds for their projects. Tickets for the event are $10 for lower level seating or $25 for the higher level seating. The concert hall can seat up to 5000 people.