I answered wrong what’s the right answer?

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.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?

Multiply sixth of sixty six by a half of ten show step by step method