Find the exact value.Given that cos ? =  with ? in quadrant I, find sin 2?.

A. - 
B.
C.
D.


Answer: D

Mathematics

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Solve the problem.Lauren scored 11 points in her basketball game on Monday, 5 on Wednesday, 4 on Friday, and 2 on Saturday. Find her total points scored for the week.

A. 20 points B. 22 points C. 21 points D. 23 points

Mathematics

Graph the inequality.y ? x2 - 3

A.

B.

C.

D.

Mathematics

Find the domain and range of the function graphed.

A. domain: ; range: (-?, ?)
B. domain: ; range: {4}
C. domain: (-?, ?); range: {4}
D. domain: (-?, ?); range: (-?, ?)

Mathematics

Multiply and simplify.27 

A. 9
B. -9
C.
D. -81

Mathematics