Answer:
50%
Step-by-step explanation:
you divide 81.90 by 163.80 and get .5 so then you move the decimal over 2 times to get a percent which is 50%
Answer:
9x+9y
Step-by-step explanation:
9(x+9y
9x+9y
solution
9x+9y
Answer:
k² - 18k + 81
Step-by-step explanation:
Using the given model then
(k - 9)² with a = k and b = 9
= k² - 2(k)(9) + 9²
= k² - 18k + 81
