1. Find the selling price. Cost of a sled: $99.50. Markup: 95% 2. Find the selling price. Original price of a book: $18.50. Discount: 45%

Number 2 is 10 dollars and 17 cents

Number 1 is 194 dollars and 2 cent

Step-by-step explanation:

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0