Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. x = 64
B. x = 1
C. x = 9
D. x = 81
Answer: B
Mathematics
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Find a set of polar coordinates for the point for which the rectangular coordinates are given.(-1, -3)
A. (3.16, 4.39) B. (-3.16, -1.25) C. (-3.16, 4.39) D. (3.16, 1.25)
Mathematics
Multiply the conjugates.(
- 
)(
+ 
)
A. 8
B. 14 - 2
C. 14
D. 14 + 2
Mathematics
Solve for x. Round your answer to 2 decimal places.
A. 2.8 B. 1.08 C. 1.15 D. 8.37
Mathematics
Solve the problem.A bag contains 5 apples and 3 oranges. If you select 4 pieces of fruit without looking, how many ways can you get exactly 3 apples?
A. 60 ways B. 30 ways C. 20 ways D. 180 ways
Mathematics