Solve the system of equations.

-5x + 3y + 2z = 19

x + 4y + 3z = - 27

15x - 9y - 6z = - 55

What is the answer to 176 divided by 7?

Tx²+3x-7=0 has two real solution. what can be the deducted about the value of t?

The length of a rectangle is 10m more than its width. if the perimeter of rectangle is 80m find the dimensions of the rectangle

Judith drove h hours at a rate of 55 mi/h. She did not reach her goal of driving 385 miles for the day. How long did she drive? Write an inequality and then solve for h.

Fractions that equal 1 cup

Two sides of an obtuse triangle measure 12 inches and 14 inches. The longest side measures 14 inches. What is the greatest possible whole-number length of the unknown side?

4z to the second power = 144

Lyle has 7/10 as many stamps as jeremy. If Jeremy has 140 stamps. How many more stamps does he have than lyle?

Simplify so that there are only positive exponents (3^9/3^-5)

The mean length of 7 books is 258 pages. the longest book has 294 pages. what is the mean length of the other 6 books