The scores on a test are normally distributed with a mean of 90 and a standard deviation of 18 what is the score that is 2 1/2 standard deviation above the mean

a

step-by-step explanation:

i believe that the slope of the line is -5

step-by-step explanation:

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true