Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P > 0 (a profit is made).
A. t = 19 or t = 10
B. t = 29
C. 19 < t < 10
D. t > 19 or t < 10
Answer: D
Mathematics
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Fill in the blank with one of the words or phrases listed below.
The 
of a nonnegative number a is written as 
.
A. imaginary unit B. principal square root C. cube root D. distance
Mathematics
Use the square root property to solve the quadratic equation.x2 = 49
A. ±8 B. 24.5 C. ±7 D. 7
Mathematics
Find the area of a rhombus with diagonals 22 cm and 16 cm.
What will be an ideal response?
Mathematics
Evaluate: -8 + (-20)
A) –12 B) –28 C) 12 D) 28 E) 18
Mathematics