Answer: 12
Step-by-step explanation: you need to look at the paper
Answer:
3 hours
Step-by-step explanation:
x = -7/2 multiplicity 2.
4x^2 + 28x + 49 = 0
(2x + 7)(2x + 7) = 0
This is a perfect square.
2x + 7 = 0, so: