How many drops of water are in all the oceans on earth? Assume that 1cm3 contains 25 drops of water. Remember that this is an order-of-magnitude problem, so you should expect that you will only find rough estimates for the numbers you require.

Rosa works due north of home. Her husband Ray works due east. They leave for work at the same time. By the time Rosa is 5 miles from home, the distance between them is one mile more than Ray 's distance from home. How far from home is Ray Ray ?

Find the area of a square with a side of 20 cm

Maria slides a triangle two inches to the right what kind of transformation did she preform? A-reflection B-translation C-rotation D-dilation

The perimeter of a rectangle is 156 feet the length is 22 feet what is the width

Julia's service at a beauty salon was $72.60, before tax. The sales tax rate was 8%. If she added 20% of amount before tax as a tip, how much did she pay for the service at the salon?

65 out of 20 to a percentage

20/100 as a percent

Andrew can paint the neighbor's house 5 times as fast as Bailey. The year Andrew and Bailey worked together, it took them 6 days. How long would it take each to paint the house?

What is the mean 10, 15, 12, 18, 19, 16, 12

Write four hundred seven trillion, six million, one hundred five thousand, twenty-eight in standard form