A grab-bag contains 30 packages worth $.65 each, 10 packages $.60 cents each, and 15 packages worth $.30 each. What is the expected value if you have to pay $.50 to pick one package at random? A. about -$0.03
B. about $0.11
C. about -$0.11
D. about $0.03

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Afootball is throw by a quarterback to a receiver