Answer:

Step-by-step explanation:
Given
3 ×
← can be expressed as
× 
Multiply numerators/ denominators, that is
= 
= 
X^2 + 4x = 0
x^2 + 4x + 4 = 0 + 4
(x + 2)^2 = 4
10 will be your answer because 4 x 5 divided by 2 is 10
Answer:
x > 39 hours
Step-by-step explanation:
Let x be the number of hours she worked.
11x - is how much she would get paid for working for x hours
11x + 20 > 450
11x > 430
x > 39 hours
Hope that helped!!! k