PLEASE HELP NO LINK AND NEED EXPLANATION

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

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year