I could be wrong but I got 28. I devided 420 by 15
Answer:

Step-by-step explanation:
and
does not have any common factor except for 
If you would like to know how many centimeters are 27 millimeters, you can calculate this using the following steps:
1 cm ... 10 mm
x cm = ? ... 27 mm
1 * 27 = 10 * x
27 = 10 * x /10
x = 27/10
x = 2.7 cm
The correct result would be 2.7 cm.
No it is an irrational number because it is a decimal with repeating numbers.
Answer:
it is b. corner H according to my test results
Step-by-step explanation: