Joel says to Kevin, "Give me $100, and I shall become twice as rich as you." Kevin replies, "Give me $10, and I shall become six times as rich as you."

How many dollars do Joel and Kevin have together?

What two criteria are needed for triangles to be similar

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?