Calculate the mean of the set. Round to the nearest tenth, if necessary.4 4 9 6 13 10

A. 9.2
B. 8.2
C. 6.2
D. 7.7


Answer: D

Mathematics

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Solve the problem.The distance an object is from the ground after being tossed from a hot air balloon 830 feet in the air is a function of time: f(t) where f(t) is height and t is the amount of time the object has been in the air. Predict the height of the object after 5.5 seconds.

A. 0 feet B. 312.18 feet C. 772.25 feet D. 373.78 feet

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Simplify.17 + (-13) - (-15)

A. -19 B. 15 C. -11 D. 19

Mathematics

Multiply. Write the product in lowest terms.

A.
B.
C. - 
D. - 

Mathematics

Provide an appropriate response.Find the total area.

A. x2 + 32 B. x2 + 12x + 32 C. x2 + 8x + 32 D. x2 + 12

Mathematics