Escreva os numeros racionais na forma de fração: +6,8,-0,375,-0,02 e 0,07

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w where hh is the number of hours worked and ww is the number of wagons sold.

Multiply. write your answer in simplest form. 3/8 x 5/7

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36