Solve.Julia preheated her oven for 24 minutes. What fraction of an hour was this? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: D
Mathematics
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Simplify.Rationalize the denominator. 
A. 
B. 
C. 
D. 
Mathematics
Write the quotient in the form a + bi.
A. 
- 
i
B. 
+ 
i
C. 1 + 1i
D. 
+ 1i
Mathematics
Solve the equation for all values 0 ? x ? 2?.csc 3x = 0
A. x = 
, 
B. x = 
, 
, 
, 
C. No solution
D. x = 0, 
, ?, 
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = (x + 5)2 - 9
A. (5, 9) B. (-5, 9) C. (-5, -9) D. (5, -9)
Mathematics