Solve all and explain 1. (-4,2),y=-x+3

2. (5,-1),y=-3/5x-3

3. (-1,-7),3x+12y=-6

4. (1,-5),y =1/8x+2

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?