Please answer Mark you brainliest
Are this monomials
1. 2s -9t
2. 6m^2+7n
3. 2/3xy^3z

Simplify the expression
2^-1x^-3/ y^8
Find the area of the circle

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

What is the point slope form of a line with slope -5 that contains point (2,-1)