Simplify.
A. 
B. 15x
C. 
D. 27x
Answer: C
Mathematics
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Write the expression in the standard form a + bi.
4
A. - 
+ 
i
B. - 
- 
i
C. - 
- 
i
D. - 
+ 
i
Mathematics
Write the fraction in decimal notation.
A. 1.4 B. 1.5 C. 1.6 D. 1.35
Mathematics
The rate at which the concentration of a drug in the bloodstream decreases is proportional to the concentration at any time t. Initially, the concentration of the drug in the bloodstream is B0 g/mL. What is the concentration of the drug in the bloodstream at any time t? Formulate but do not solve the problem in terms of a differential equation with a side condition.
What will be an ideal response?
Mathematics
Solve the system of equations by the addition method.
A. (5, 9)
B. (8, -4)
C. no solution
D. 
Mathematics