What is the slope of a line perpendicular to the line whose equation is y = 2x + 5?

a. slope = -1
b. slope = -1/2
c. slope = -2

What is the difference between the equations of a vertical and a horizontal line?

According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16

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?