Measurement of one angle and length of one side I think
Answer:
D
Step-by-step explanation:
263-239=24
23 is the number the answer is c
Answer:
8.898% will remain after 20000 years.
Step-by-step explanation:
First week need to know the half-life of carbon-14.
In this case it's 5,730 years.
There are calculators available online. (I'm too lazy to run through the equation.) 8.898% will remain after 20000 years.
Answer:
16500
Step-by-step explanation:
If it leaks 75 mL a minute you multiply that by the 220. Then you get 16,500
