Which expression is a difference? a) (6 - 4) x 5 b) 6 - (4 x 5) c) 8 + (5 - 2) d) (6 - 4)(3 - 1)

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.

$31.50

Step-by-step explanation:

Cost of 1 ticket = $45

The performing arts center offers tickets at 30% off the listed price.

Discount% = 30%

So, Discount =

Discount =

Discount =

So, Price after discount = $45-$13.5=$31.50

Hence the discounted ticket price is $31.50