Answer:
<h2>
0</h2>
Step-by-step explanation:
Given,

Now, let's find the value of 9x + 6

plug the value of X

Multiplying a positive and negative equals a negative


Reduce the number with Greatest Common Factor 3

Multiply the numbers

The sum of two opposites equals 0

Hope this helps..
best regards!!
Answer:
$31.80
Step-by-step explanation:
The ball will cost 100% of its price plus 6% of its price for a total of 106%.
To use percentages as a factor and multiply, they must be divide by 100, making the multiplication factor version of 106% 1.06.
Multiply the cost of the ball by your multiplication factor:
30 x 1.06 = 31.8
Money is written to two decimal places, making your answer $31.80
Pt=6.245cm, working shown in photo
3x+2y=24
Times 2
6x+4y=48
-
6x+2y=30
=
2y=18
y=9
x=2. Hope it help!