Suppose a star that is 500 light years away from earth is moved to be 600 light years away. which statement is correct

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )