It should be 13 since 13+8 = 21. 21-7 = 13
Answer:
-4/15
Step-by-step explanation:
2/5-4/6=2/5-2/3=6/15-10/15=-4/15
Answer:
22 pi cm ( 69.12 cm)
Step-by-step explanation:
pi * d = circumference = pi * 2 * r = pi * 2 * 11 = 22pi cm
Answer:Two colonel lines
Step-by-step explanation:
It just is