Music may people relax. john got two groups of people together. he took everybody's pulse of blood pressure. the one group to listen to soothing music while other group sat in silence. after the song was over, he measured everyone's pulse and blood pressure. what is the independent variable? what is the dependent variable? what are the constants or control variables?

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?