A backpack costs $18 and has a 7 percent tax. How much will Sheila have to pay for the backpack after tax? • $1.26

• $5.40

• $19.26

• $30.60

19.26

Step-by-step explanation:

Explanation

7% = 7/100 = 0.07

1 in formula before represents the 18 dollars.

Formula

18*(1 +  7/100)

18 (1 + 0.07)

18(1.07)

19.26

She will have to pay 19.26 dollars.

you save $70

discount would be 35% off

step-by-step explanation:

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

therefore, the correct factorization of is (2x-3)(2x+3).