Answer: 84 cm^2
Step-by-step explanation:
1/2bh
1/2(6x4)
1/2(24)
12
*multiply that by 4 for all of the sides*
48
for the square:
bh
(6x6)
36
add them together to get 84 :) <3
Answer:

Step-by-step explanation:
So first calculate what fraction of the circumference the arc is.

Now the circumference is 6, so one eighteenth of that is 
Answer:
<em>Her new hourly wage will be $13.80 after the raise</em>
Step-by-step explanation:
<u>Percentages</u>
Noelle currently earns $12 per hour.
Her hourly wage will increase by 15% by next month.
The increase will be of:
15% of $12 = 15*12/100 = $1.80
Thus, her new hourly wage will be
$12 + $1.80 = $13.80
Her new hourly wage will be $13.80 after the raise
That is a difference of two square numbers, we can factorize them easily:
<span>0 =-b^2 + 25
b^2 - 25 = 0
(b + 5)(b - 5) = 0</span>