Select the correct solution for the expression. 2 5 + 3 8 a. 2 5 + 3 8 = 5 13 b. 16 40 + 15 40 = 31 40 c. 10 40 + 24 40 = 34 40 d. 2 5 + 3 8 = 6 40

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top