A geometric sequence has 6 for its second term an 486 for its sixth term. What is the sum of the first eight terms?

A twin engine aircraft can fly 612 miles from city A to city B in 3 hours with the wind and make the return trip in[..]

A pyramid with a nine-inch square base and an altitude of 10 inches has a volume equal to 270 inches. Find the[..]

The number of games Jay won this year is 40% greater than the number of games he won last year.If Jay won 20 games[..]

The length of a rectangle is 3 cm greater than its width. The area of the rectangle is 180 cm. the the length and width

The difference of the square of a number and the number is 12 find the number

A plane flies 450 miles with the wind and 330 miles against the wind in the same length o time. If the wind is 20[..]

A wise man once said, "400 reduced by 4 times my age is 12, " what is his age ?

Your backyard is rectangular and has an area of 760 square meters. The length of the yard is 18 meters more than the[..]

the sum of three consecutive even integers is less than 80. Find the greatest of such integers by writing and[..]