State the phrase as a mathematical expression. Use x to represent the variable.The product of nine and five more than a number
A. 9 + 5 ? x
B. 9 ? 5 + x
C. (9 + 5)x
D. 9(x + 5)
Answer: D
Mathematics
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Find the area of the specified region.Shared by the cardioids r = 5(1 + sin ?) and r = 5(1 - sin ?)
A. 1625
B. 
(3? - 8)
C. 
(3? + 8)
D. 
(5? + 8)
Mathematics
Write a fraction to represent the shaded region.
A. 
B. 
C. 
D. 
Mathematics
If the sequence is arithmetic, find the common difference. If the sequence is not arithmetic, say so.7.54, 10.49, 13.44, 16.39, . . .
A. 2.2125 B. 2.95 C. 8.85 D. Not arithmetic
Mathematics
Determine whether the proportion is true or false by writing the ratios in lowest terms.
= 
A. True B. False
Mathematics