3y) in
Find an expression which represents the sum of (8x + 10y) and (-4x
simplest terms.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Y+ 2/y is it a polynomial in one variable or not? and if so, why?