Ruth's car traveled 120 miles during the first race. during the second race, it traveled 124 miles. if the car averaged 123 miles over the first three races, how far did it travel during the third race?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.