20 customers are eating at a local resturan. of the 20 customers 4 have enough to pay cash, 16 have enough to pay card and 3 have enough to pay cash and card, what is the probability that a customer has enough cash and a creditcard.

3/20 or 15%

Step-by-step explanation:

20 is the total number of customers (the denominator) and 3 is the amount of customers that can pay cash and card ( the numerator)

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

damm bro the struggle

step-by-step explanation: