How can you use 4x7 to find 8x7? find the product

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

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

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric