Answer:
The dot product of (7,5) and (-5,4) is -15
Step-by-step explanation:
Given
(7,5) and (-5,4)
Required
Determine the dot product
Dot product is calculated using the following formula;

Let a = (7,5) and b = (-5,4);
The above formula becomes



Hence, the dot product of (7,5) and (-5,4) is -15
Answer:
It is A.
Step-by-step explanation:
also, this is one question. A, B, C and D are just answers.
Answer:
what's the question, is it what's the ,ensure mentioned or something.
(m+4)(m+1)
=m^2+5m+4........