Riley wants to buy a set of 3 pencils for 50 cents in her pocket she has 2 quarters 2 dimes and 10 nickels determine all the possible combinations to add up 50 cents

What is the standard form of -5x^2+2x^4-11+x^3+3x

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)