John is unhappy with his 3-inch-wide frame, so he decides to put a frame with a different width around his canvas. the total area of the canvas and the new frame is given by the polynomial , h^2+6h+8, h represents the height of the canvas. determine the width of the new frame. show all your work.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

How do you write something in scientific notation?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52