Atree 5 ft tall grows an avarage of 8 in. each year. write and graph an equation to model the tree's height h after x years.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

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.