Write a matrix equation equivalent to the system of equations. x + y + z = -5-2x - 2y + 4z = 2-3x - 2y + 4z = -3
A. 
= 
B. 
=
C. 
=
D. 
= 
Answer: B
Mathematics
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Evaluate the expression using the order of operations. 
+ 
A. -10 B. 18 C. -16 D. 28
Mathematics
Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Exponential; a = 
B. Exponential; a = 9
C. Not exponential
D. Exponential; a = 
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
1/2
A. xy1/2
B. 
C. xy
D. xy2
Mathematics
Construct a boxplot.The weekly salaries (in dollars) of 24 randomly selected employees of a company are shown below. Construct a boxplot for the data set.31032045046047050052054058060065070071084087090010001200125013001400172025003700
A. 
B. 
C. 
D. 
Mathematics