Answer:
n = 21
Step-by-step explanation:
Given
n + 19 = 40 ( subtract 19 from both sides )
n = 40 - 19 = 21
Answer: The answer is 5.472
Step-by-step explanation:
-0.84 ÷ 2.1 = -0.4
-0.4 + 5.872 = <em>5.472</em>
Answer: 4
Step-by-step explanation:
The power of the brain
I hope this helps you
2pi.r=C
r=C/2pi