D, Because 7/15 + 9/15 is 16/15 + 4/15 =20/15 which equals 1 5/15 which turns into 1 1/3
A, 1/21 + 2/21 = 3/21 and that equals 1/7
C, 3/14+3/12 turns into 3/14+5/14= 10/14 - 8/14= 2/14=1/7
Less than because !2.56 bascically means just 12 and 125.6 means bascally just 125 and 125 is waay more than 12
Finding perimeter is simple. All you do is add up all of the side lengths, and bada bing bada boom, you got the perimeter.
Percent increase is
100(new/old - 1)
Here that's
100(26/22 - 1) = 200/11 ≈ 18.2
Answer: third choice
Answer:
c
Step-by-step explanation:
