For which rational expressions is 8 an excluded value? Check all that apply. 8:
X-8
X +8
X-2
x² - 4
+5
X-8
x2-x-56
x²–64
8x2-2
x2 - 16

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.

$450 i think. hope this ☺