Whos good with proofs ?
given: 7y−84=2y+61
prove: y=29
step reason
7y−84=2y+61
5y−84=61
5y=145
y=29
find the reasons with these below
multiplication property of equality
symmetric property
simplify
given
division property of equality
distributive property
addition property of equality
subtraction property of equality

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat