Will give brainilest please help me Complete the equation of one line that is perpendicular to and one line that is parallel to y = 7x + 9.

perpendicular: y= _-2

parallel: y=_-11

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.