There are 1010 people in an office with 55 different phone lines. if all the lines begin to ring at once, how many groups of 55 people can answer these lines?

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

How many 2/5s are in 1 and 1/2 plz someone me right now