44. Time to Complete a Task Two machines can complete a task in t hours, where t must satisfy the equation t/8+t/12 = 1. How long will it take for the two machines to complete the task?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

One integer is 8 times another. if the product is 72, then find the integers