What is the midpoint of 2.99 and 2.98

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

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.

Find the zeros of each function. f(x) = x^2 + 5x - 6