If the expression $(12-x)\div(3x)$ represents a non-negative integer, what is the largest possible integer value of $x$?.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree