Answer:
there would be 100
Step-by-step explanation:
140:100=70:50=7:5
Answer: 2a^5+5b
Step-by-step explanation:
This is actually pretty simple
The exponent with the same power can be subtracted so
4a^5-2a^5 is 2a^5 like 4x-2x which is equal to 2x
4b+b is equal to 5b
2a^5+5b is your answer
Answer:
1,3
Step-by-step explanation:
The entry in row 1, column 1 of
is

(i.e. the dot product of row 1 of
and column 1 of
)
The entry in row 1, column 2 of
is

The second option is the correct answer.