Which expression is equivalent to this polynomial?
(4x + 3)(3x-8)

The verbal translation for the difference of m and 7 increased by 15

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.

Which number line correctly shows 0.8 + 0.3?