Answer:
I hope this helps you hehehe :)
Step-by-step explanation:
=√256
=√4×4×4×4
=√4^4
=44/2
=4^2
=16
9x^2
-4/x^2 6/9x
-36/9x^2 6x/9x^2
sum=(n-2)*180
sum=(4-2)*180
sum=2*180
sum=360º
if T=K, T=100º
360-(100+100+20)=E
E=360-220
E=140º
Answer: D
Step-by-step explanation: She should make rows of 3 until she has 47 rows. She will have 1 left over. Because 47*3 = 141 plus the left over 142