Diego's mother is twice as old as he is. She is also as old as the sum of the ages of Diego and both of his younger twin brothers. The twins are 11 years old. Find the age of Diego.

What is the perimeter of a rectangle with sides 7 inches and 10 inches?

A pair of complex numbers who have the same real and imaginary parts, but the imaginary parts have opposite signs. Their products are a nonzero real number

Which of the following does not describe slope? A two-dimensional figure A unit rate A rate of change Rise over run

Each day, Valerie chargers her lunch account for her lunch. If the cost of lunch is $3, then by how much has her lunch account been impacted over a period of 15 days?

An airplane takes of 200 yards in front of a 60 foot building. At what angle of elevation must the plane take off in order to avoid crashing into the building?

2a (5-b) = 3b+7 solve for b Step by step

What is x = 2.3 if you evaluate 8x for the value?

Complete the steps to factor the tens 30 x 40

Mr. Kessler bought 12 packs of toilet paper ... that's where it all went ... he spent a total of $78. If you are using the equation method to find the unit rate, which would be the independent quantity, the "x" value (the one that you want to be a

The width and length of a rectangle are consecutive integers. if the perimeter of the rectangle is 374 inches, find the width and length of the rectangle.