Solve the problem.The Neighborhood Lemonade Stand, Inc. reported net incomes of -$491, -$143, and -$338 for the past three years. What was its total net income for these three years?
A. -$481
B. $972
C. -$972
D. -$634
Answer: C
Mathematics
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Evaluate.-120
A. 20 B. 1 C. -1 D. -20
Mathematics
Use technology to calculate det A.A = 
A. -37 B. -147 C. 139 D. -139
Mathematics
Use a sketch to find the exact value of the expression.tan 
A. 
B. 
C. 2
D. 1
Mathematics
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = (y + 2)2 - 1
A. 
opens right; vertex (2, 1);
axis of symmetry y = 1
B. 
opens right; vertex (-1, 2);
axis of symmetry y = 2
C. 
opens right; vertex (-2, -1);
axis of symmetry y = -1
D. 
opens right; vertex (-1, -2);
axis of symmetry y = -2
Mathematics