Considere a expressao x2-y2/x+2xy+y2 O valor numerico da expressao para x=-2 e y=-4 e:
A)-3
B) -1
C)1
D)3

What could explain what happened when the time was equal to 120 minutes

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat