Answer: 0.7893g//mL
If 20 mL of ethanol (density =0.7893g//mL) is mixed with 40mL water (density = 0.9971g//mL)
Step-by-step explanation:
Answer:
60 mph
Step-by-step explanation:
I'm not sure if you meant 30 miles in half an hour, but if that's the case, your answer is 60 mph.
There are two halves in an hour so
30 x 2 = 60
The correct answer is (-12)^15, because you have to multiply the exponents.

Answer:
I am very proud he is showing his work
Step-by-step explanation: