Nancy found that x = 1 is one solution to the quadratic equation (x + 2)2 = a. what is the value of a?

9

i did this question before

The value of x is 9.

Step-by-step explanation:

Given equation,

If x = 1 is the solution of this equation,

Then it will satisfy the equation,

Hence, the value of x is 9 if x = 1 is the solution of the given equation.

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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