The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. find the number.

Subsets of the universal set are represented in a Venn diagram by

Naomi paints 16.5 square feet of a mural at a rate of 2 square feet per hour Clair paints 7.5 square feet of the mural at a rate of 4 square feet per hour if they continue at the same rates how many more hours will it take for Naomi and Clair to

in a bookcase, there are 4 fiction books for every 9 nonfiction books. there are 78 books in the bookcase. how many fiction books are in the bookcase?

Quiz: Area of Rectangles Assessment items A rectangle is 13 yards long and 23 yards wide. What is the area of the rectangle? Enter your answer in the box as a fraction in simplest form. $$ yd2 Assessment navigation

What is the side length of a cube with a volume of 3375 cm3

Perry made a wooden cube with an edge length of 8.5 inches in shop class. He painted half the faces of the cube red and the other half yellow. What is the surface area of the portion of the cube that is painted red?

A square orange rug has a yellow square in the center. The side length of the yellow square is x inches. The width of the orange band that surrounds the yellow square is 11 in. What is the area of the orange band?

There is a number which its square root is the square root of another number

Sam is waiter at a local restaurant where he earns wages of $6 per hour. Sam figures that he also earns about $2.50 in tips for each person he serves. Sam works 4 hours on a particular day.

Definition of classic probability