Solve the problem.A shirt company has 4 designs each of which can be made with short or long sleeves. There are 7 color patterns available. How many different types of shirts are available from this company?
A. 28
B. 13
C. 56
D. 11
Answer: C
Mathematics
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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 
A. 20 ft2/ft B. 20? ft2/ft C. 100? ft2/ft D. 10? ft2/ft
Mathematics
Write an inequality of the form 
or of the form 
so that the inequality has the given solution set.(-?, -10) ? (10, ?)
A. 
> 0
B. 
> 0
C. 
< 10
D. 
> 10
Mathematics
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 22°B = 26°a = 31.7
A. C = 133°, b = 62.9, c = 37.1 B. C = 132°, b = 62.9, c = 37.1 C. C = 132°, b = 37.1, c = 62.9 D. C = 133°, b = 37.1, c = 62.9
Mathematics
Use the even-odd identities to find the exact value of the expression. cos (-60°)
A. - 
B. 
C. 
D. - 
Mathematics