Which operations are the most efficient to use to solve this problem?

the grocer bought 154 pounds of beef at $5.00 per pound. the grocer also bought 243 pounds of ground turkey for $729. how much more was the cost of the beef per pound than the turkey?

choose all answers that are correct.

a.
addition

b.
subtraction

c.
multiplication

d.
division

answer: i think it is (1,-2)

what "following statement"?

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c