What property is - 5 + (5+3) = -5 + (8) = 3

The ratio of nitrogen to potassium in a sample to soil is 12:9. If the sample has 36 units of nitrogen, how much potassium does the sample have?

Janine has a ribbon that is ⅚ foot long. She wants a piece ⅔ this size. How big will it be?

Write equation in standard form if x-intercept is 5 and y-intercept is 3.

Kahlil is recording a beat for a song that he is working on. he wants the length of the beat to be more than 10 seconds long. his friend tell him the beat needs to be 5 seconds longer than that to match the lyrics he had written.

What is the solution to the system of equations below? 3x-2y=7 and - 3x+5y=5

Doug believes that the function y=6 is linear, while Olga believes that it is not linear. Who is right, and why? A Doug is right, because the function cannot be written in the form y = mx + b.

What is 4.27-1.29?

Which equation is 69 is greater than x

If x = 7, y = 1 and 2 = 1, then evaluate the following expression: X - y + z =

Solve 0.06*0.7+0.03=0.06 * (-0.2) + 0.03