Solve the problem.Find the opposite of -2.8
A. 0
B. 2.8
C. -2.8
D. 
Answer: B
Mathematics
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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = xi - yj
What will be an ideal response?
Mathematics
Determine the greatest common factor for the pair of numbers.45, 54
A. 9 B. 81 C. 45 D. 27
Mathematics
Graph the function.y = -3 csc 
A. 
B. 
C. 
D. 
Mathematics
Graph the inequality, and write the solution set using both set-builder and interval notation.x ? -2 
A. (-?, -2], {x|x ? -2}
B. (-2, ?), {x|x > -2}
C. (-?, -2), {x|x < -2}
D. [-2, ?), {x|x ? -2}
Mathematics