Computer found that there are 1000 constellations in the sky. The first of them consists of one star, the second of them consists of three stars, the third - five stars and so on (in each of the next constellations there are two stars more than in the previous one). In the last constellation there are 1999 stars. How many stars in the sky in total?

How do you do the foil method with polynomials?

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.