What is the value of x?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

What is coefficient of the term of degree of degree 5 in the polynomial below