For 8 days, Teresa put $3 into her savings account each day. Her parents also added a certain amount of money to the account each day. In the end, there was a total of $88 in the account. How much money
did Teresa's parents add each day?
please help! :)

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)