Which expression is equivalent to 8.6(x – 1) + 8x.

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

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.

What function has a range {yly< 5}? question on picture above^