Answer:

Step-by-step explanation:
The question is to simplify the expression 
First, we can eliminate the 2nd parenthesis expression by changing signs of all the terms since there is a "-" sign in front. Then we add the "Like Terms". The process is shown below:

The first answer choices (has some typos) is correct. The correct answer is 
Answer:
2/21
Step-by-step explanation:
The first purple is 5/15 and the second is 4/14. Multiply them together to get 2/21.
Answer:
1 3/4
Step-by-step explanation:
The triangle has 3 equal sides and a perimeter of 5 1/4 so: 5 1/4 ÷ 3 = 1 3/4
hopefully this helped :3
Answer:
6 x 10^5
Step-by-step explanation:
800000 - 200000 = 600000
hope this helps!
Answer:
Step-by-step explanation:
o multiply fractions, all you have to do is multiply the numerators and denominators and simplify the result. To divide fractions, you simply have to flip the numerator and denominator of one of the fractions, multiply the result by the other fraction, and simplify.