What is the x-int of 8x + -6y = -8?

Round your answer to two decimal places plss

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

What is the absolute value of the complex number -4-sqrt2i

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?