Determine the point on the unit circle to which the given real number corresponds.
?
A. (1, 0)
B. (0, 1)
C. (-1, 0)
D. (0, -1)
Answer: C
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Solve the problem.Zina is paid $30 per hour for a 40-hour workweek, but is paid time and a half for overtime work. Give expressions for Zina's pay if she works t hours. Distinguish between the cases where t is less than and greater than 40.
A. For t ? 40, Zina's pay is $30t. For t > 40, Zina's pay is $1200 + ($45)t B. For t ? 40, Zina's pay is $30t. For t > 40, Zina's pay is $45t C. For t ? 40, Zina's pay is $30t. For t > 40, Zina's pay is $1200 + (t - 40)($45) D. For t ? 40, Zina's pay is $30t. For t > 40, Zina's pay is $1200 + (t - 40)($60)
Provide an appropriate response.Which year had the highest enrollment?
A. Year 4 B. Year 1 C. Year 5 D. Year 2
Solve the equation.
- 
= 1
A. -3, -1 B. 3, -1 C. 3 D. No solution
Determine if the given ordered triple is a solution of the system.2x + 4y + z = -122x - 5y - z = -72x + y + 4z = -3(2, -1, -5)
A. Yes B. No