The sum of the digits of a two digit number is 7. When the digits are reversed, the number is increased by 27. Find the original number.

What is 2/5 divided by 1/4

3x plus 4 = 5x minus10

Factor the expression using the GCF. 7+14 =

What is the sum of the measures of the interior angles formed by the boundary of this team pennant? A) 360 degrees B) 120 degrees C) 180 degrees D) 100 degrees

What is the volume of the sphere in terms of pi

Which properties are demonstrated in the equation 6 (5 * 3) = (5 * 6) * 3

B) In a play school, there are 16 red balls and the rest are white balls. The ratio of red balls to white balls is 4:5. Find the number of white balls.

How many times greater is the product 4x300 than the product 4x30?

A hemispherical dome with radius=20 feet needs 11 coats of paint, which are 1/100 inch thick ... need to use linear approximation to get the volume of paint needed for the job.

Marcus has 731 books he puts about the same number of books on each of nine shelves in his bookcase about how many books are on each Shelf