By evaluating the following 170 - (+40) + (-50) +5 - (+20), the answer will be

According to Distributive Law of Multiplication over Addition, the a x ( b + c ) must be equal to

A. a x c − b x c

B. a − b x c − b

C. a x b + a x c

D. a x b − a x c

The product of -140 and +8 is

A. 1120

B. 3200

C. −1120

D. −3200

Joseph has 10 candies. He gave 4 candies to John and John returned 2 candies to Joseph after few days. The number of candies Joseph has altogether are

A. 8

B. −8

C. 10

D. −10

If a x (b −c) is 8 for a = 2, b = 10 and c = 6 then a x b − a x c is equal to

A. (−8)

B. 12

C. 10

D. 8

If a, b and c are integers, then according to associative law of multiplication the ( a x b ) x c must be equal to

A. a x ( b + c )

B. ( a − b ) x c

C. (a + b ) + c

D. a x b + a x c