A certain Greek mathematician was born in 406 B. C. His father was born 51 years earlier. Find the year in which his father was born.

In what year was his father born?

a plane descended at a rate of 400 feet per minute. what is the change in the elevation of the plane after 6 minutes.

Veronica is saving money to buy a saddle for her horse that cost $175. She plans to save $10 the first month and then increase the amount she saved by $5 each month after the first month. How many month will it take her to save $175.

What are the dimensions of the cross section formed by a plane intersecting this rectangular prism parallel to its base? The cross section is a The length of the cross section is The width of the cross section is cm. cm. ith = 4 cm

The first class had a kids in it, the second had b kids in it, and the third class had c kids in it. Kids from all three classes were equally divided between two buses. How many kids were on each bus?

the perimeter of a concession stand at the ballpark is 88 meters. the length is 4 meters longer than the width. what is the length and width?

A gram is equivalent to 0.0353 ounces. One ounce is how many grams? Round to the nearest tenth.

What is the final amount if 893 is decreased by 19% followed by a further 17% decrease? Give your answer rounded to 2 DP.

What is 18 to the 27th power?

Reduce the fraction - 20t^5u^2v^3/48t^7u4v

Suppose that 9 is a factor of a number. Which statement must be true?