Line m is perpendicular to x − 2y = −1 and passes through (9, 1). what is the slope of line m?

With number 11 ( show how you got the answer)

What is the difference between –12 and –5? what is the distance between –12 and –7 on a number line? units

The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?