Solve.

3.25t + 9 = 14.5t + 18

The solution is t =
HEL PL

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

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.

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1