Which method is not used to find the solution of a system of linear equations. guess and check

graphing

substitution

matrices

Solve the mathematical puzzle. Determine the digits of R from these clues. The first digit is the answer when the third digit is divided by 2. The second and third digits add to 7. The second digit minus the first digit is 1.

What is a three term polynomial

Eight students are painting 2 boards for a project. the students want to divide the work equally. how much of the board should each student paint?

Simplify. 16 - 7 - (-4) 12 A. -7 B. 17 C. 25 D. 39

On Friday, Peter arrives at 9:50. How Long Before Closing Time (10:30)

Five cats each ate 1/4 cup of canned food and 1/4 cup of dry food. how much food did they eat altogether

Solve on the interval [0, 2Pi): 1 + cos (theta) = (sqrt (3) + 2) / 2 A. Pi/6, 5Pi/6 B. Pi/3, 5Pi/3 C. Pi/6, 11Pi/6 D. 7Pi/6, 11Pi/6

Eli invested a total of $2000 in two stocks. One stock cost $18.50 per share, and the other cost $10.40 per share. Eli bought a total of 130 shares. Write and solve a system of equations to find how many shares of each stock Eli bought.

The length of a rectangle is 12 inches longer than the width. Find the length and width if the perimeter is 184 inches.

X+8 > 18 how do you solve it