Give the degree measure of ?.? = sec-1 

A. 120°
B. 315°
C. 135°
D. 45°


Answer: C

Mathematics

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Write each mixed number as an improper fraction.9

A.
B.
C.
D.

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Solve.How many different three-digit numbers can be written using digits from the set {1, 2, 3, 4, 5} without any repeating digits?

A. 10 B. 120 C. 60 D. 20

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Solve the problem.The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is  when the height is  and the distance around the trunk is  what is the volume of wood obtained from a tree that is  tall having a measurement of 

src="https://sciemce.com/media/4/ppg__sas0515192236__f1q49g5.jpg" alt="" style="vertical-align: -4.0px;" /> around the trunk? A. 89.64 ft3 B. 84.64 ft3 C. 80.64 ft3 D. 72.64 ft3

Mathematics