Answer:

Step-by-step explanation:
has the form
known as a difference of squares. It factors into (a+b)(a-b). To find a and b you take the square root.


The factored for is (a+b)(a-b).
In this case, it is 
Answer:
0.67!
Step-by-step explanation:
0.6 is just 0.60 which is less than 0.67
Answer:60 is the common denominator
Step-by-step explanation:
You need to solve this for h(t)=0
<span>-16t^2-30t+124=0
This has two solutions, one is negative that does not make sense as time cannot be negative.
The positive solution is t=2
So the interval where it is in the air is [0;2)
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Answer:
The common factors of 45 and 72 are 9, 3, 1
Step-by-step explanation: