Reduce this algebraic fraction. y3-3y2+y-3 /y2 - 9

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class