What answer represents this numbet in scientific notation 0.00000916

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Will give a: 122 b: 90 c: 48 d: 180