Give your answer from part b in years. express your answer using one significant

What is the square root of 45? (step by step working plz)

Select the quadratic that has root x = 8 and x = -5

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.