The missing factor is (a -1) I believe. If you foil (5a + 9)(a - 1) you would get 5a^2 + 4a - 9.
Answer:
sweet
Step-by-step explanation:
This took 80 minutes
Answer:
Question 2: Option B
Step-by-step explanation:
The number of ounces and the total price for yogurt cup A is not stated, therefore, I can not answer question 1 properly.
<h3>For question 2:</h3><h3 />
Unit rate formula for price is: 
32 ounces of yogurt sell for 1.62.
So:

0.050625 ≈ 0.05
<em>Option B should be the best answer. </em>
Answer: Because the graphs of the two equations overlap each other
Step-by-step explanation:
Every point on the first line also satisfies the second equation.
This is the same as equivalent fractions
where 1/2 = 2/4 = 3/6 = 4/8
Graphing these on a number line would only show one dot.