Solve the problem.How many arrangements of answers are possible in a multiple-choice test with 10 questions, each of which has 4 possible answers?
A. 5040
B. 151,200
C. 1,048,576
D. 210
Answer: C
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Determine the number of figures (of any size) in the design.Squares (of any size)
A. 9 B. 12 C. 11 D. 8
Solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 45 units of vitamin A, at least 11 units of vitamin B, and at least 37 units of vitamin C. The red vitamin pills cost 
each and contain 6 units of A, 1 unit of B, and 2 units of C. The blue vitamin pills cost 
each and contain 4 units of A, 1 unit of B, and 5 units of C. How many pills should the patient take each day to minimize costs?
A. 5 red and 6 blue B. 11 red and 0 blue C. 7 red and 4 blue D. 6 red and 5 blue
Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = cos ?Find 7f(?).
A. - 
B. 
C. - 
D. 
Convert the rectangular coordinates to polar coordinates with r>0 and 0??<2?.  figure 1.png)
 figure 2.png)