Algebra
How many smaller triangles, each with sides of 1 foot would be needed to completely cover the inside of the larger triangle? Answer:__________ 3). (3 points)    If 1 + 2 = 3 and 1 + 2 + 3 = 6, what would the sum of the first 100 consecutive whole numbers be? Answer:__________ 4). (3 points)     If A @ B means ( A + B ) / 2 then what is ( 3 @ 5 ) @ 8 ? Answer:__________ 5). (3 points)     If a number pattern begins: 5, 8, 11, 14, 17, ... what would be the 30th number in that pattern?Answer:__________ |