It takes melvin 3/10 of an hour to run 3/4 of a 5 kilometer race. If Melvin at this same pace, how long, in hours, would it take him to run 10 kilometers?

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Which value is not a solution of 8x^3 – 1 = 0

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms