Buddy and bubbles are two of santa’s elves. buddy can make 15 toys per hour while bubbles can make 12 toys per hour. write two expressions that could show the combined number of toys per hour that buddy and bubbles could make if they work the same amount of hours.

Which of the following is the rational exponent expression of 6 root f

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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.