The density of hydrogen is 0.0000899. Which of the following would be a reasonable estimate of the density of hydrogen?

How to find radius from circumference

What number is 100 more then 75,000

Toshi has 604 marbles and several bags. After putting an equal number of marbles into each bag, he has 16 marbles remaining. How many bags could Toshi have used for the marbles?

Factor completely x2 - 49

Which number is halfway between 1/2 and 5/6?

A school purchases jars of marbles. * Each jar contains 500 pieces of marbles. * Each jar costs $10. How much does the school have to charge for each piece of marbles to make a profit of $25 per jar? a. $0.07 b. $0.10 c. $0.14 d. $0.25

John painted 4/5 of his house the first day and 1/10 of the house the next day. What fraction of his house is left to paint?

X^2 + y^2=40 and y=x-4 solve this simultaneous equation

Solution to the equation 4x + 3 = 3 + 4x

2.) Seperate the numbers below to their prime multipliers. 18 33 124