<span>4x – 20 = 900
4x = 900+20
4x = 920
x = 920/4
x = 230
he earned $230
</span>
Ya is = 10x-28 see the picture for explanation
25% is equal to

. To get 25% of 300, we multiply 300 by either 0.25 or

. This gives us
F(x)=x2−x−1f, left parenthesis, x, right parenthesis, equals, x, squared, minus, x, minus, 1 What is the average rate of change
Alexandra [31]
Answer: The average rate of change = -1
Step-by-step explanation: Please find the attached file for the solution