If the coordinates of N are (5,6) and the midpoint of MN is (-1,4) then what are the coordinates of M?

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Find the domain of the following expression: 1/(√x)-2

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of