What is the interquartile range of this data set?
2,5,9, 11, 18, 30, 42, 48, 71, 73, 81

A. 21

B. 79

C. 62

D. 41

1/8 3/16 3/4

step-by-step explanation:

you put them as all the same denominator and multiply

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

its a, i had the same answer, its from study island right

step-by-step explanation: