Answer:
w = 36
Step-by-step explanation:
You can make a ratio 98 : 84 = 42 : w

49w = 1764
w = 36
1. -56
2. say you owe someone 84$, so that's 84$ you don't have, then you give that person 28$. now you only owe them 56$.
The answer is: A - f(x) = 1/2 cos (x)
Answer:
<h2> StartFraction 7 over 10 EndFraction x + 2 and one-half y + 6</h2>
Step-by-step explanation:
Given the expression 
To simplify the expression, we need to first collect the like terms of the functions in parentheses as shown;

Then we find the LCM of the resulting function

The final expression gives the required answer