1/4 + 1/4 + 1/4 + 1/4 + 1/4 = 5/4. which multiplication expression shows another way to make 5/4?
a. 1/4 * 1/5
b. 5 * 1/4
c. 4 * 1/4 * 1/4 * 1/4 * 1/4* 1/4
d. 1/4 * 1/4 * 1/4 * 1/4 * 1/4

Write two subtraction equations that are equivalent to 5 + 12 = 17.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

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.