For what value of x is the rational expression below equal to zero?
x - 9
(х – 4 )(х + 4)
a. 9
b.-4
c.4
d.-9

step-by-step explanation:

d

step-by-step explanation:

answer

a) the midrange of the data set shown is 85.5

step by step explanation

let's find the midrange.

the midrange is nothing but add the greatest value and the least value, then divide it by 2.

here the greatest value = 99

the least value = 72

midrange = (99 + 72)/2

= 171/2

midrange = 85.5

you.

my answer was deleted because it was to vague the answer is 12.76 becuase its in the hundreths place. john