Answer:
The percentage of the students scored higher than 89% is 15.87%
Step-by-step explanation:
we are given
The average test scores for a particular test in algebra was 84
so, mean is 84

a standard deviation of 5
so,

we have
x=89
now, we can use z-score formula

now, we can plug values


now, we can use calculator
and we get

So,
The percentage of the students scored higher than 89% is 15.87%
The amount for the discount is 150$
Answer:
^4 sqrt x^3/ ^5 sqrt x^2
Step-by-step explanation:
I got that on my test.
Sorryyyy you couldn’t get the help