If x+y=2 and x2+y2=2 , what is the value of xy ? Could you break it down for me?

What kind of bond pays interest which is exempt from tax?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12