Which will result in a difference of squares? (-7x++)(-3x+4)
(-7x++) (4-7X)
(-7x + 1)(-74= +)
(-7x++)(7x-4)

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

What is the least common factor of 6 and 8

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10