Answer:
x² - 4
Step-by-step explanation:
Step 1: Write expression
(x + 2)(x - 2)
Step 2: FOIL
x² + 2x - 2x - 4
Step 3: Combine like terms
x² - 4
Answer:
28
Step-by-step explanation:
First, find the ratio between the triangles. To do this, divide any side of the big triangle by corresponding side in the small triangle. I chose 35. So, 35/10 = 3.5. 3.5 is the ratio between the triangles. Multiply 3.5 by 8 to get 28, the length of the missing side. :)
Answer:
a. 10
Step-by-step explanation:
Profit = Total Cost - Total Revenue
The profits are charted on the chart attached.
Profit is maximized when the quantity is 6. At this quantity, the difference between marginal cost and marginal revenue is $10.
Answer:
45
Step-by-step explanation: 45 x 500 = 22,500 meaning 22,500 ÷ 500 = 45
Answer:
see below
Step-by-step explanation:
sqrt(2)+ sqrt(98)
sqrt(2) + sqrt( 2*49)
sqrt(2) + 7sqrt(2)
8 sqrt(2)
