Use elimination (combination) to solve

3x - 2y + z = 9

x-y + 4z = 10

2x + 3y - z=53

Which of the following is a valid reason for stating that <1 <2

John works for 8 hours each day, starting at 9 a. m. He makes $18 an hour. How much money does John make in 5 days? A. 8 hours, 9 a. m., $18, 5 days B. 8 hours, 9 a. m., $18 C. 8 hours, 9 a. m., 5 days D. 8 hours, $18, 5 days

In which case has the U. S. dollar weakened?

Choose the set of letters that represents each situation. The range of the data =. The top 25% of the data =. The interquartile range =.

What is the distance between - 182 and 265

The label shows nutritional benefits for an entire 12-fluid-ounce sports drink. The beverage company wants to produce a 16-fluid-ounce bottle of the same drink. The 12 oz drink has 120 calories and 24grams of carbohydrates.

At 2:00 p. m. two cars start toward each other from towns 240 miles apart. If the rate of one car is 10 mph faster than the other, how fast does each car go if they meet at 5:00 p. m.

A borrower earns $8,000/month and makes credit card and car note payments of $900. A conventional lender requires a 30% income ratio.

A card is drawn from a well shuffled deck of 52 cards. find the probability of drawing a 7 of hearts

What numbers make 225 when multiplying