Find the exact acute angle ? for the given function value.tan ? = 
A. 60°
B. 30°
C. 45°
Answer: B
Mathematics
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Find the interval of convergence of the series.
A. 4 ? x < 6
B. -3 < x < 13
C. 
< x < 
D. -3 ? x ? 13
Mathematics
Find the volume.
A.
| 17.8 cm3 |
B.
| 198.998 cm3 |
C.
| 198.998 cm2 |
D.
| 47.04 cm3 |
Mathematics
Simplify by combining pairs of like terms.-5a + 19a - 4 - 8
A. -24a - 12 B. -14a + 4 C. 14a - 12 D. 14a + 4
Mathematics
Add. Write a mixed numeral for the answer.
A. 4
B. 5
C. 3
D. 5
Mathematics