Solve for x, y and z

3x - 3y + 5z = 13

5x + 6y - 2z = 10

7x + 5y = 18

Which variable is most important to the following problem? a company has 95,000 shares of stock to sell. A stockbroker decides to buy 100 shares of the stock for each of her clients.

What are the ordered pairs of a line whose slope is 5, the y intercept is 3, the rise is 5, and the run is 1?

A smaller square is located inside a larger square. the length of the smaller square is 7 cm, and the length of the square is 12cm. find the area of the section outside the small square, but inside the larger square.

Several months ago, Carrie got a puppy. At that time, the puppy weighed 7 pounds. Since then, he has gained 3 pounds each month. Now, he weighs more than 20 pounds. For at least how many months has Carrie had the puppy? A. 4 B. 5 C. 6 D. 7 E. 8

A recipe calls for 6 cups of chicken stock. Tom's cooking pot hold's 2 gallons and 3 quarts of chicken stock how many full bathes can he make with 2 full pot's

the width of a rectangle is 5 inches less than its length, and the area is 14 square inches. What are the length and width of the rectangle?

Are these correct steps for solving 9x^2=108

Write the expression as a single natural logarithm. 3 ln 3 + 4 ln b ln 96b4 ln (27 + b4) ln 36b ln 27b4

Ralph sold brownies for $ 0.63 0.63 a piece in order to earn money to buy baseball cards. If the cards cost $ 1.35 1.35 per pack, and if Ralph had no money left over after buying them, what is the least number of brownies he must have sold?

The segments shown below could form a triangle 9,4,15 true or false