If a man weighs 300 pounds on Earth, his mass on Earth is 136 kilograms. What would his mass be if he was on the moon?

What is the 90 confidence interval estimate of the mean if n is 45?

you find a rock containing a mixture of element and lead. you determine that 20% of the orignial element remain; the other 80% decayed into leads. how old is the rock?

A certain television is advertised as a 41-inch TV (the diagonal length). If the width of the TV is 40 inches, how many inches tall is the TV?

A man used 10 gallons of gasoline on a 180-mile trip. How many gallons of gasoline will he use on a 450-mile trip?

An above-ground circular swimming pool is 18 feet in diameter. How does the pool's diameter d compare to its circumference C? A: d=1/2C B: d=2C C: d=3C D: d=1/3C

A rectangle is twice as long as it is wide. it's area is 72 square units. Find the length of each side

Andrea built a circular barbecue pit with a circumference of 9 feet. She wants a rod to go across the pit to use for a rotisserie. The rod must go from one edge of the pit to the other, passing through its center.

How to find which cereal has the higher ratio of protein

Great a word problem for x+2=3x-8

21 is what percent less than 35?