Solve 2x2 − 6x = −8. negative 3 plus or minus 5i all over 2 the quantity of 3 plus or minus 2i square root 30 all over 2 the quantity of 3 plus or minus i square root 30 all over 2 the quantity of 3 plus or minus i square root 7 all over 2

Which is the completely factored from of xy^3-x^3y

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet