Earth is approximately 4.54 * 10^9 years old. Humans are thought to have evolved around 2.5 * 10^5 years ago.

For what percentage of the age of the Earth have humans been present? Give your answer to 3 s. f

Which of the following rectangular prisms will have a surface area of 24 square units? A rectangular prism with a length of 5, width of 3, and height of 1. A rectangular prism with a length of 2, width of 2, and height of 2.

What is the quotient and remainder of 6 divided by 15

What is the paremiter of a 4' square

risha wants to buy a computer for $775. She already has $275 saved and earns $100 a week babysitting. a. Use w to represent weeks and write an inequality that could be used to determine how many weeks she would have to work to afford the computer. b.

A square sheet of art paper has an area of 576 square inches. What is the minimum side length of an easel that supports the whole sheet of paper? A. - 24 inches B. 288 inches C. 24 inches D. 17 inches

a group of friends goes out to breakfast. the total bill, excluding tax, is $33. if tax on the meal is %7 and if a 15% tip is left on the $33 total bill, then the total amount paid for the meal is?

What is 34 tens + 20 tens =

What is the slope of the graph of the line x = - 1? A. 0 B. -1 C. The slope is undefined. D. 1

What are the means of the following proportion 3/15 = 12/60

A rectangular plot of land is 45 ft long and 28 ft wide how long is the walkway along the diagonal?