The product of two positive numbers is 588. Minimize the sum of the first and three times the second.

Can anyone help me with this problem Im stuck on? The average local cell phone call length was reported to be 2.27 minutes. A random sample of 20 phone calls showed an average of 2.98 minutes in length with a standard deviation of 0.98 minute. At a= 0.05 can it be concluded that the average...

A packaging company is manufacturing cardboard boxes without a lid that measure 3" long, 1" wide and 1" high. They will be cut by using a geometric net where each side of the base is simply folded down flat (Like a cross). The boxes will be cut from sheets of cardboard that measure 1 yard by 1...

Rachel needs a mixture of 55 pounds (lb) of nuts consisting of peanuts and cashews. Let p represent the number of pounds of peanuts in the mixture. Write an algebraic expression for the number of pounds of cashews that she needs to add.