Use the product rule to simplify the expression.x-5 ? x4 ? x-7
A. x-8
B. x140
C. x-16
D. -x8
Answer: A
Mathematics
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Use a calculator to help solve the equation. Round approximate answers to three places.-718.697x = 162.772
A. {-4.415} B. {-116,983.75} C. {-0.226} D. {881.469}
Mathematics
Solve.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 6 m
A. 67 m B. 5.8 m C. 8.2 m D. 33.5 m
Mathematics
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. - 
B. 
C. 
D. - 
Mathematics