Answer:
Step-by-step explanation:
A straight line adds up to 180 degrees, therefore 3x+6x = 180
9x = 180
x = 20
Answer:
yes, AA
Step-by-step explanation:
since both have 90 degree angles, and 62+28 is also 90, all 3 sets of angles are congruent
Answer:

Step-by-step explanation:





You would need to do 10,125/45 = n, and in which case we just solve.
10,215/45=227, so there are 227 napkins in each box.
Hope this helps and have a nice day:)
Answer: 
Since 8 is being multiplied to the 3 power we multiply it 3 times.
is written like 
