A.b / a - 1

B.b

C.b / a 2 - a

D.b / a 2 - 1

E.b - a 2

A.115 2 cm3

B.51 2 cm3

C.256 cm3

D.64 cm3

E.4096 cm3

A.The area is nine times larger.

B.The area is six times larger.

C.The area remains the same.

D.The area is tripled.

E.The area cannot be determined.

A.15

B.12

C.6

D.9

E.4.5

A.2 minutes, 45 seconds

B.3 minutes, 36 seconds

C.2 minutes

D.2 minutes, 15 seconds

E.2 minutes, 24 seconds