7cards are drawn from a standard deck of 52 cards. how many different 7-cars hands are possible if the drawing is done without replacement?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Which is the focus of a parabola with equation y2=4x

Afootball is passed through the air and caught at ground level for a touchdown. the height of the ball (h) is given by h= -d² + 12d + 6, where d is the distance in feet the ball travels horizontally. how far from the player passing the ball will the ball be caught? 40 points! will mark brainliest!