Use the commutative and/or associative properties to simplify the following expression.
+ 
A. a + 
B. a
C. 
+ a
D. 
+ a
Answer: D
Mathematics
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Write the given number in scientific notation.37.73
A. 3.773 × 102 B. 3.773 × 10-1 C. 3.773 × 101 D. 3.773 × 10-2
Mathematics
Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 + 2
A. maximum; 0 B. minimum; 2 C. maximum; 2 D. minimum; 0
Mathematics
Write the decimal as a fraction in simplified form.1.01
A. 
B. 1
C. 
D. 
Mathematics