HELP pls help me with this problem.

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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