X2 + 7x + 4 help please i will mark brainliest if correct

What fraction of one year is 8 months

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis