If you subtract 13 from my number and multiply the difference by −7, the result is −98." What is Elise's number

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Which of the following transformations will always produce a congruent figure?

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.