Find the commission. Earning Commission Sales Commision Rate is 7% The sales $450 The commission is $

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample