For this case we must indicate the cosine of A, of the figure shown. By definition:

Substituting the values we have:

So, we have to:

Answer:
Option D
Already answered the other question which was the same
8= 2 liters of punch
16= 4 liters of punch
20= 5 liters of punch
28= 7 liters of punch
Answer:
option A and E
Step-by-step explanation:
Option A is equivalent because of the commutative law of addition;
(A + B) + C = A + (B + C)
option E is also correct because multiplication rule of inside the brackets.
A - ( - B - C) = A + B + C
Answer:
144
Step-by-step explanation:




The value as in adding them is 19