An archaelogist in turkey discovers a spear head that contains 63% of its original amount of c-14. find the age of the spear head to the nearest yea

The circular base of the cone has a radius of 5 cm. The height of the cone is 12 cm and the slant height is 13 cm. What is the approximate surface area of the cone? Use pi and round to the nearest whole number.

A carpenter must cut a 10 foot board into two pieces to build a brace for a picnic table. If one piece is to be four times as long as the other piece how long should each piece be

Jorge watches cars that pass in front of his house. He counts 25 red cars and 40 cars that are not red. What is the approximate probability that the next car Jorge sees is red? A) 62.5 % B) 8/5 C) 0.33 D) 5/13

There are 162 calories in 3/4 cup of yogurt. How many calories are in 1 cup?

What type of government do they have in China

Write the fraction in decimal notation 3 1/100

A cylinder has a radius of 6 inches and is 15 inches tall. What is the volume of the cylinder? Express the answer in terms of x

A student simplified the expression 6^2/36^2 as 1/3. Do you agree with this student? Explain why or why not

How do you multiply a mixed fraction by a regular fraction

Roger has 4 gallons of juice. He puts the same amount of juice into each of 5 pitchers. How many gallons of juice are in 1 pitcher?