Rewrite the following phrase as a mathematical expression. the sum of four times a number and five
4(5n)
4 + 5
4 + 5n
4n + 5

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Factor the trinomial below. 12x^2 - 32x - 12 a. 4(3x+3)(x-1) b. 4(3x+1)(x-3) c. 4(3x+6)(x-2) d. 4(3x+2)(x-6)

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required