Simplify the power of i to i, 1, -i or -1.i83
A. -i
B. i
C. -1
D. 1
Answer: A
Mathematics
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Solve by using the quadratic formula.25x2 + 25x = -6
A. 
, - 
B. - 
, - 
C. 
, 
D. - 
, 
Mathematics
Graph the function on the indicated interval.y = 3 cos 
+ sin (2x), 0 ? x ? 6 
A. 
B. 
C. 
D. 
Mathematics
Solve.A computer programmer is paid $20.50 per hour for a 40-hour week. He is paid time and a half for overtime (1.5 times the hourly wage) for every hour more than 40 hours worked in the same week. If he works 50 hours in one week, what will he earn for that week?
A. $1025.00 B. $1127.50 C. $1081.10 D. $1148.00
Mathematics
Evaluate the expression.Let x = -8, y = 4. Evaluate 
+ 
.
A. -12 B. 12 C. 4 D. -4
Mathematics