Which of the following situations describes using a debit card?

a) Nina bought an item and paid for it at the end of the month

b) Nina wrote a check

c) Nina entered a PIN to complete the purchase and the amount was deducted from her account right away

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Can any one me with the answers to these questions asap?