To give 50 mg of ascorbic acid from 
mg tablets, how many tablets should be given?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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0.0086 × 9.3
A. 0.07998 B. 0.007998 C. 0.7998 D. 0.0007998
Mathematics
Simplify.logaa9
A. 9 B. a9 C. 9logaa D. 1
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).xy = 1
A. 2r sin ? cos ? = 1 B. 2r2 sin ? cos ? = 1 C. r2 sin 2? = 2 D. r sin 2? = 2
Mathematics
Solve the problem.If Gloria received a 10 percent raise and is now making $26,400 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
A. $25,000 B. $23,760 C. $24,000 D. $24,400
Mathematics