3. find the value of 8.3 × 24.2 × 0.03. round your answer to the nearest hundredth.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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.

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?