Point a is located at (-2, -6) and is translated 4 units up. what are the coordinates of point a'?

(-2, -2)
(-2, -10)
(2, -6)
(-6, -6)

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

What does the sign of the slope tell you about a line?