Worth 60 points you rere's the blac dude was mad at the white ra and roasted the white rat then the white rat said nib, ba st/fu and eat a brownie which roast is better?

Precalculus question, image attached.

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 is the slopeof the live that passes through the points and (-2,-5) and (3,-1)