Find the indicated matrix.Let A = 
and B = 
. Find 2A + B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the equation.11 = b + 10
A. b = 21 B. b = -21 C. b = -1 D. b = 1
Mathematics
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 1
; 
B. 2
; 
C. 1
; 
D. 1
; 
Mathematics
Find an equation that matches the parabola's graph.
A. y = x2 B. y = -x2 C. x = -y2 D. x = y2
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics