Answer:
(x + y)(1 + x - y)
Step-by-step explanation:
x + y + x² - y²
(x + y) + (x - y)(x + y)
[ Using a²-b² = (a-b)(a+b) ]
Taking (x + y) common
(x + y)(1 + x - y)
0.7 divided by 2 = 0.35
The answer is 0.35.
This problem is incomplete.
Answer:
Samantha's marginal cost of increasing output by 50 books per week is $5
Step-by-step explanation:
Marginal cost is given as change in cost divided by change in quantity produced
change in cost (weekly wage) = $250
change in quantity produced weekly = 50 books
Marginal cost = $250 ÷ 50 = $5
Her marginal cost is $5 per week