What are the roots of the equation 4x^2= 32x - 67 in simplest a + bi form?

the answers are in the images, i received 100% on this assignment. hope this !

a

step-by-step explanation:

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

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step-by-step explanation: