No, this is not valid. In the picture below,

is a vertical angle with

. But

is not
3.8 x 10²
im pretty sure thats scientific notation
Answer:
5 2/3
Step-by-step explanation:
15 ÷ 3 = 5.
with 2 leftover, you will have 2/3
5 + 2/3 = 5 2/3
<em>Good Luck!</em>
<em>-kiniwih426</em>
400 : 1kg
400 : 1000
1 : 2.5
n = 2.5
There are 5820 ft per mile
so the answer is 5820ft/min
Hope this helps!