What is the characteristic of a Matrix Null

Select the appropriate response:

A) All elements are = 0

B) All elements are negative

C) First row = 0

D) First Column = 0

I think the answer is A)

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

If i had 1234 apples and 1 banana what is the total amount

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle