Find the two numbers if the sum is 13 and the difference is 4

Determine if the sequence is geometric. if it is, find the common ratio. 1) -2, 2/3, -2/9, 2/27 2) 0,2,5,9 3) 2, -10, 50, -250 4) 1,4,16,64

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red