For the expression 2( r + 3) what do we need to use to generate an equivalent expression О We need to find common denominators
О We need to use factoring
О We need to use the distributive property

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

How is working backward similar to solving an equation?