Would the answer to the following be 5 x?
expand and simplify: (x+1)(x+3)

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14