Solve for x.

12 (x-4) = - 144

K+L+M=L+M+K what property does this demonstrate

How many times does 40 go into 280?

A piece of ribbon is 1 7/8 inches long. If the ribbon is going to be divided into 15 pieces. How long should each piece be?

Either the numbers add to 6, or they add to 11, or at least one of them is 1. How many elements does it contain?

5. The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is 'b' meters? 6. The side of a regular hexagon is denoted by 'R'. Express the Perimeter of the hexagon using 'k'.

Ms. Willer wanted to donate 27 cans of food to each of 8 food banks. Each of the 23 students donated 9 cans. How many more cans does Ms. Willer need? Explain

Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After running for 54 minutes, she completes 6 kilometers.

Walter buys a bus pass for $30. Everytime he rides the bus, money is deducted from the value of the pass. He rode 12 times and $24 was deducted from the value of the pass. How much does each bus ride cost?

Planet Krypton has 2 times the radius and 2 times the mass of the Earth. What is the best estimate for the magnitude of the gravitational field at the surface of planet Krypton in m/s2? A. 20m/s^2 B. 10m/s^2 C. 5m/s^2 D. 2.5m/s^2

The wacky widget company is planning to produce widgets. The company has rented space for its manufacturing operation at 4,000 per month. Each widget requires $32 worth or materials and $44 worth of labor.