Solve, finding all solutions in [0°, 360°).2 tan ? + 2 sin ? - 2 tan2? sin ? = 0
A. 0°, 180°
B. No solution
C. 0°, 60°, 180°, 300°
D. 60°, 300°
Answer: C
Mathematics
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Evaluate the expression.The expression (rule) for finding the total time for a commuting trip is d + 15 where d is the normal driving time and 15 is the number of minutes added to allow for delays. Find the total commuting time when the normal driving time is 49 minutes.
A. 98 min B. 49 min C. 64 min D. 34 min
Mathematics
Divide and check the quotient.-340 ÷ 34
A. 10 B. -26 C. -11 D. -10
Mathematics
Add or subtract as indicated.(3rs + 8s2) - (6r3 + rs- 2s2)
A. -6r3 - 3rs + 6s2 B. -6r3 - 4rs + 10s2 C. -5r3 - 4rs + 6s2 D. -5r3 - 2rs + 10s2
Mathematics
Rewrite the expression without absolute value bars.
A. - 
- 7
B. 7 - 
C. 
- 7
D. 7 + 
Mathematics