Answer:
<h2>30% is enrolled out-of-district.</h2>
Step-by-step explanation:
According to the word problem, the number is increased by 50%.
To increase a number by a percent, multiply the number and the percent.
We can do this by changing both percents to decimals.
To change a percent to a decimal, divide it by 100.


The number is INCREASED by 50% so 0.5 would become 1.5.

<h2>0.3 = 30%.</h2>
1 centimetre=0.1 decimetre
therefore the answer is 2.5 decimetres.
Answer:

Step-by-step explanation:

Hope this helps.
4x^2-9
(2x+3)(2x-3)
To verify use distributed
2x(2x) +2x(-3)+3(2x)+3(-3)
4x^2-6x+6x-9
4x^2+0-9
4x^2-9