What is the common ratio of the sequence?
VIDL34
-2, 6, -18, 54,...

(A) -3
(B) -2
(C) 3
(D) 8

A) -3

Step-by-step explanation:

the easiest way to find these answers if you are having trouble is to do 6 divided by -2 giving you -3. then to check you can multiply -3 times 6 to get -18 and if you do -18 times -3 you get the next number in the sequence 54.

3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.