The answer is to the question is 9
Answer:
<h2>17/35</h2>
Step-by-step explanation:
We need to get all the fractions with a common denominator before we can solve the problem.
The only fractions that have a common multiple are 1/7 and 3/21, so we'll add these first and then add 1/5.
1/7 = 3/21
Add

6/21 = 30/105
1/5 = 21/105

Simplify

<h3>
ANSWER: 17/35</h3>
I'm always happy to help :)
Answer:
you add your number and then you subtract it so all the other steps are are going to be the exact same
none of the above, -90 and 270 are the same position on the unit circle
A=1/3h(b1-b2). So h=3/(b1-b2)