9 is the blank.
(a+b)^2 = a^2 + 2ab + b^2
a = x
b = 3
(x+3)^2 = x^2 + 6x + 9
Answer:
First,i would add all the numbers up which is 14+9+12+13+12=60.Then,i would find the total number of people in there which is 5.After that,i would divide 60 by 5 which is 12.Each person will get 12 pencils.
Step-by-step explanation:
If u have anymore questions,let me know and i will be right there:D
Since the price is now 15% less you would first find what 15% of 25 is by using 25*.15 and get 3.25 then you subtract that from 25 and get 25-3.25= $21.75
Answer:
x=-4 and y=4
Step-by-step explanation:
(6x+9y)-(6x+7y)=12-4=8
--> 9y-7y=8
-->2y=8-->y=4
-->6x+7×4=4 -->x=-4