PLEASE HELP ME IM STUCK ON THIS QUESTION The line of best fit passes through the points (3.50, 270) and (4.75, 210). Find an equation for the line.

Use variables: p for price in dollars, and Q for quantity of cables sold.

What is the smallest integer n such that n\sqrt{2} is greater than 20

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Find the distance between (7,-6) and (-3,-9)