X+5y=2, 10y=-2x+4 the system of equations has an infinite number of solutions true or false

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?