Use a graphing calculator or spreadsheet software to solve 4x + y + z = 1 8x - 4y - 7z = 2 5y + 9z = 3 using matrices.

3 divided by 5 (step by step)

Jeremy is going to roll a fair 6-sided dice 180 times. What is the best prediction for the number of times that Jeremy will roll a number greater than 4?

4 pounds equal how many ounces explain

A t-shirt manufacturer makes shirts that weigh 40 grams each. What will be the total weight of the shirts in kilograms.

Greta wants to buy 3 jars of honey. Food Mart sells it for $8.99 with a "Buy 2, get 1 free" offer. Leona's sells it for $8.49 with a coupon for 50% off with a limit of 2 coupons. Which store has the better deal?

Mr. Smith has 12 congruent boxes shaped like rectangular prisms in his office. If the length is 25 inches, the height is 2 feet, and the volume is 9,000 cubic inches, what would the width of one of his boxes be?

Solve for q. -15 - 18q = - 20q + 15 q =

Represent the proportional relationship described with an equation where d equals dogs and c equals cats: three dogs for each cat

Ou can draw a quadrilateral with two sets of parallel lines and no right angles. a. True b. False

There are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom. The three candidates that receive the highest number of votes become candidates for a runoff election. How many 3-candidate combinations are possible?