Simplify the expression by combining like terms.-10y - 6x - 4x
A. -10y - 10x
B. -10y - 2x
C. -20xy
D. -10y + 2x
Answer: A
Mathematics
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. a + 2
- b
B. a + b
C. a - b
D. a - 2
+ b
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 4csc x, y = 0, x = 
, x = 
A. 16? B. 8? C. 48? D. 32?
Mathematics
Write the decimal in numbers.Seven thousand thirty and six hundredths
A. 7000.36 B. 0.736 C. 7036.00 D. 7030.06
Mathematics
Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 
? Round to the nearest year.
A. 77 yr B. 12 yr C. 1 yr D. 27 yr
Mathematics