X-y= 0

x+y=-2

find the solution of the equation

,-3),-1)3.(5,-3)4.no solution

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?