Solve the system of equations by elimination.

x + y + 2z = 0

5x - 3y - z = - 5

5x + 2y + z = 3

Do you have to regroup 46-39

Square has an area of 25 square inches. What is the length of each side?

How would you find the square root of a number? How would you use it?

The table shows the number of candies packed by machine c. The equation shows the number of candies packed by machine d. Both are representations, x is a measure of the number of minutes and y is a measure of the number of candies packed.

A scatterplot has a positive, linear correlation. Which statement is true about the relationship between the x - and y-values?

Solve for x. Check your anwser. X/9+6=8

X-3y=7 and 2x-6y=12 solving by elimination

Solve for x. x - 8 = - 20 A) - 28 B) - 12 C) 12 D) 28

A rancher wants to build a rectangular pen with an area of 36 m2. (a) Find a function that models the amount F of fencing required, in terms of the width w of the pen. F (w) = (b) Find the pen dimensions that require the minimum amount of fencing.

Simplify (A u B u C) n (A n B') n C'