Jayden filled his 290 gallon pool with water in 10 hours. How many gallons per hour did he use?

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

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual