The area of a blackboard is one 1 1/3 yd.² a poster’s area is 8/9 square yards. find the unit rate and explain, in words, what the unit rate mean in the context of this problem is there more than one unit rate that can be calculated how do you know?

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

c. 6tan80

step-by-step explanation:

the answer would be 44.79

plz mark brainliest

step-by-step explanation:

a

step-by-step explanation: