Multiply and simplify. Assume that all variables represent positive real numbers.(2
+ 8)2
A. 20 + 32
B. 76 - 32
C. 76 + 32
D. -52 + 32
Answer: C
Mathematics
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Solve the problem.If A is a 3 × 3 matrix and A + B = is the 
zero matrix, what can you say about the matrix?
A. B is the 3 × 3 zero matrix B. B is the 3 × 3 identity matrix C. B = A D. B = -A
Mathematics
Given functions f and g, perform the indicated operations.f(x) = 9x - 3,g(x) = 3x + 4Find fg.
A. 27x2 + 27x - 12 B. 12x2 + 27x + 1 C. 27x2 - 12 D. 27x2 - 5x - 12
Mathematics
Graph the solution set of the inequality and express it in interval notation.|5x + 3| + 6 ? 14
A. 
, 
? 
, 
B. 
C. 
D. 
, 
? 
, 
Mathematics
Answer the question.A trucker handed in a ticket at a toll booth showing that in 3 hours he had covered 222 miles on a toll road with speed limit 65 mph. The trucker was cited for speeding. Why?
What will be an ideal response?
Mathematics