Solve the problem.A diving pool that is 9 m deep and full of water has a viewing window on one of its vertical walls. Find the force on a square window, 1.5 m on a side, with the lower edge of the window on the bottom of the pool.
A. 29,700 N
B. 181,912.5 N
C. 396,900 N
D. 16,537.5 N
Answer: B
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Verify the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
Factor by any method.8a3 - 27b3
A. (2a + 3b2)(4a2 - 6ab + 9b2) B. (8a - 3b)(a2 + 6ab + 9b2) C. (2a - 3b)(4a2 + 6ab + 9b2) D. (2a - 3b)(4a2 + 9b2)
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15
A. {4 ± 
}
B. {8 ± 
}
C. {4 ± 
}
D. {-4 ± 
}
Solve.A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the demand equation 
for a certain style of calculator, p is the price per calculator in dollars and x is the quantity demanded in thousands of units. Find the demand for the calculator if the price is $5 per calculator.
A. 7 thousand units
B. 24
thousand units
C. 29 thousand units
D. 8 thousand units