Consider this system of equations. What is the solution to the system of equations?
2.1 + y = 11
2x - 5y = 8

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Identify the number 127 as a rational or irrational. explain

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.