Find the equivalent expressions! Select all expressions that are equivalent to one another. 1 4y^2-10+1-2y^2
2 2(y^2 - 6) - (-3)
3 y^2 -9
4 2y^2 - 15
5 -9 + 2y^2

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?

Ineed if you could explain and give me the answer you! this needs done

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36