Let x be a number.

The sum of thirteen and twice a number

Where can the medians of a triangle intersect

A rectangular box has a length of 3 inches, a width of 2 inches, and a height of 4 inches. Find the dimensions of the three similar boxes: one that has a length of 6 inches, one that has a width of 6 inches, and one that has a heght of 6 inches.

The institution of medicine determined that a man should drink 3 liters of fluids a day and a woman should drink 2.2 liters. Mr. Morrison drank 880 mL of water at breakfast and Mrs. Morrison drank 700 mL.

The quotient of a number and 4 is at most 5

How to solve 7 + (-15) + 12

Write 36,785 in expanded form

Tom can paint a chair in 5 minutes. Together Tom and Sue can paint the chair in 4 minutes. How long does it take for Sue to paint the chair alone?

What is the greatest common factor of 62 and 82? Use prime factorization solve.

Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy bought 4 notebooks and 13 thumb drives for $254. Lisa bought 5 notebooks and 8 thumb drives for $169.

Explain how a trapezoid and a rectangle are different