Toni attempted to solve an equation but made an error. what is her error, and which step did she make it in? 2x-3(1-x)+7= -5x step 1. 2x -3 -3x+7= -5x step 2. -x(-3) +7 =-5x step 3. -x+4 =-5x plz : )

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0