Melanie saves $20 every month in her savings account. She
withdrew $60 one time to go shopping. She now has $280 in her
account. Write and solve an equation to determine how many
months she has been saving.

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

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.

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.