Answer:
A
Step-by-step explanation:
X before Y
Answer:
A closed cone has 0 verticals.. but 1 vertice
Step-by-step explanation:

divide both sides by 32000

take the ln of both sides

using the property that


divide both sides by ln(0.8)

use calculator
7.00728=t
so in about 7 years
B
Answer: 27.47
Step-by-step explanation:
(sin(70) * 10) / sin(20)) = 27.47
don't know much, but try that
Answer:
4 degrees Celsius
Step-by-step explanation:
It is asking for the change in temperature, or the difference. In word problems like this it is asking for subtraction.
So you just need to subtract the temperature at noon from the temperature at 8 am.
18 - 14 = 4 degrees