Age: If you add​ Natalie's age and​ Fred's age, the result is 36 . If you add​ Fred's age to 3 times​ Natalie's age, the result is 60 . Write and solve a system of equations to find how old Fred and Natalie are. Fred is years old. Natalie is years old.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

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.