B2+15b+56 show
a.(b+1)(b+14
b.(b+4)(b+14)
c.( b+7)(b+8)
d.(b-7)(b-8)

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =