12=r+6-2r so what is r

Which of the following is equivalent to 4x - 2y = 16

What is the lcm of 9 and 14

Factor the expression 4x^2-8x+3

Which is the beat estimate for 33 1/3 of 295.79?

Solve the equation 1/8x = 4 1/2

The Chinese system presented in the text has symbols for 1 through 9, and also for 10, 100, and 1000. What is the greatest number expressible in that system?

Convert each measure to degrees. Round answers to the nearest hundredth if needed. a.) π/9 b.) - 2π/3

Include sales tax 6% an inn charges $265 per night. find the cost before taxes

A law firm has five senior and six junior partners. A committee of three partners is selected at random to represent the firm at a conference. What is the probability that at least one of the junior partners is on the? committee?

Find the circumference of each circle with the given radius or diameter. Round to the nearest tenth. Use 3.14 for T. d = 14.2 mm