A video store took in $450 in DVD rentals during one day. If DVDs rent for $9 each, how many DVDs were rented.

Find the simple interest earned to the nearest cent for each principal, interest rate, and time 735 7% and two and a half years

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

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.