a number is multiplied by 2 and then this product is increased by 5. the result is 14 less then twice the opposite of the number. what is the original number?

On the average, a certain light bulb is supposed to last 450 hours. If it can expect to finish reading during the life of the bulb?

Determine whether the ordered pair is a solution of the given system (2,12) y >2x + 4 y < 3x + 7

How to solve 2px + 6qy - 4py - 3qx. factor

Heather built a geometrically similar model of the great pyramid. The height of the actual pyramid is approximately 147 meters. Heathers model is 98 millimeters in height. The width of the base of the actual pyramid is 231 meters.

What is 243145 times 1324569846=

What fraction is equivalent to 5.1? is 5.1 a rational number?

Natalie has a choice of three breads, five choices of meats, and four choices of cheese to make a sandwich. how many different sandwiches can she make?

What is the area of this triangle 12 inches and 3 inches

Write as an expression and simplify: the tripled product of 6a and b^2

What does n equals when 10 = - 8+n divided by 4