Translate to an equation. Do not solve.What is 25% of 80?
A. n = 80% × 25
B. 25 = n × 80%
C. n × 25% = 80
D. n = 25% × 80
Answer: D
Mathematics
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Solve the problem.Integrate 
over the region 0 ? x2 + y2 ? 9.
A. ?(sin 3 - 3 cos 3) B. 2?(sin 3 - cos 3) C. 2?(sin 3 - 3 cos 3) D. ?(sin 3 - cos 3)
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Solve the problem.One of the base angles of an isosceles triangle is 39°. Find the measures of the other two angles.
A. 39°, 102° B. 39°, 12° C. 39°, 282° D. 39°, 78°
Mathematics
Find the indicated sum or difference, if it is defined.
- 
A. 
B. not defined
C. 
D. 
Mathematics
Solve the problem.In how many ways can a hand of five cards be dealt from an ordinary deck of 52 cards?
A. 52 ? 51 ? 50 ? 49 ? 48
B. 
C. 47!
D. 
E. none of these
Mathematics