Express the terms of the following sequence by giving an explicit formula. A. u(n) = 4 + 6n, where n = 1, 2, 3, 4, . . . B. u(n) = 6 - 4n, where n = 1, 2, 3, 4, . . . C. u(n) = 4n, where n = 1, 2, 3, 4, . . . D. u(n) = n + 4, where n = 1, 2, 3, 4, . . .

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168

the answer would be  

a.

3: 1

step-by-step explanation: