Answer:

Step-by-step explanation:

Answer: x = 4; x = 5
Step-by-step explanation:
The directions specify to solve by factoring
x^2 - 9x + 20 = 0
To factor, find two numbers that add to -9 and multiply to 20
-5 and -4 work
-5 + (-4) = -9
-5 * -4 = 20
(x - 4)(x - 5) = 0
x = 4, x =5
Answer:
6 rolls
Step-by-step explanation:
7 × 6.5 is 45.5
45.5 ÷ 8 is 5.6875
5.6875≈6
So 6!
In lowest terms the answer would be 8 1/3