I need some equations with the answers of x=12

137=6 times 25 plus x plus 8 times 25 plus 3x

8 oz of soda is for $2.98 or 6 oz soda for $2.79

A right triangle has legs that measure 2 units and 5 units. What is the length of it's hypotenuse?

What's 3 1/4 minus 1 7/8? Asking for a friend literally

What is the geometric mean of e and 12

Benjamin paints and sells his art work at art shows. He charges $56.25 for a large painting. He charges $25.80 for a small painting. Last month he sold six large paintings and three small paintings. How much money did he make in all?

A mixture of 12 ounces of vinegar and oil is 40%n vinegar by weight. How many ounces of oil must be added to the mixtue to produce a new mixture that is only 25% vinegar?

An airplane ticket has an area of 80 square centimeters. Its perimeter is 36 centimeters. What are the dimensions of the ticket?

Determine the value of x in the system of equations. 3x + 2y = 25 6x - y = 40 Select one: A. 7 B. 8 C. 9 D. 10

The deer population in a local neighborhood is rising at a rate of 3.5% each year the Parks and Recreation Department estimated the current deer population to be approximately 850 deer