Which pair of points has a positive slope?
a. (-2, 9) (1, -9)
b. (-2, 5) (2, -11)
c. (-2, 15) (4, 21)
d. (-2, 13) (1, -11)

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.