You scored 80 points on your first math test. On the next test you scored 96 points. What is the percent increase?
1 answer:
Answer:
20%
Step-by-step explanation:
96-80/80 *100
16/80*100
1/5*100 =20
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The answer is
A. x=4
B. x=-4
5 years because when you divide 90 by 18 to get how many years it takes the tree to grow to 90 inches tall, you get 5.
Answer:

Step-by-step explanation:
hope this helps!
In the second fraction, factorize the denominator:

Then we have, as long as
,

which you could also write as

Answer:
(1,9)
Step-by-step explanation: