There are approximately 7.5x10^18 grains of sand on earth. There are approximately 7x10 ^27 atoms in an average human body. Are there more grains of sand on earth or atoms in an average human body? How do you know?

Find the sum. 4 + (+5) =

Graph y = sin^-1 (-1/2x) the interval-5

What is the quotient of thirty two divided by the opposite of 4

chest volume is 8100 cubic inches the length is 30 inches and the width is 15 inches how tall will the chest be

A soup can has a diameter of 8cm and a height of 12 cm. What is the volume of the soup can?

5/4 in to a decimal

For what value of b does (1/12) ^2b x 12^-2b+2=12 -1/2 -1/4 1/4 no solution

Suppose you have lunch with four friends and the total check (with tax and tip) is $155. How much should you each pay if you split the check evenly?

150 of 300 students at smith middle school are in band. of those only 10% play saxophone. next year enrollment is expected to reach 400 students. About how many of those students will play saxophone?

Julie and Jim live 230 miles apart. At the same time, they start driving toward each other on the same road. Julie's constant rate is 60 mph and Jim's constant speed is 55 mph. How many hours will it take them to meet?