Melanie emptied her piggy bank and made stacks of coins using all of the quarters. She has one stack of 8 quarters, three stacks of 4 quarters, and one stack of 6 quarters. The expression 8+3x4+6 can be used to represent Melanie's stacks of coins.

Determine the total number of quarters that Melanie had in her piggy bank.

How much money did Melanie have?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before