Solve the equation by completing the square. round to the nearest hundredth if necessary. x^2 + 5x-10=0

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

Which number line correctly shows 0.8 + 0.3?

I’m really confused and need your assist me with this question i’ve never been taught