9 ft
Set up a ratio...6/18=x/27...reduce to 1/3=x/27...cross multiply and solve for x.
3x=27 so x=9
Answer:
420
Step-by-step explanation:
Because 
Answer:
will this work or help ?
Step-by-step explanation:
The given equation governs the height versus time of the object. h(0) = 64, so the ground is considered at h = 0. The question is at what time is h = 0? So, set h = 0 and solve for t.
-16t^2 + 48t + 64 = 0
We can divide both sides of this equation by -16 for simpler numbers. We get
t^2 - 3t - 4 = 0
We can factor this equation:
(t - 4)(t + 1) = 0
So, t = 4 and t = -1 are solutions.
But, time must be positive, so t = -1 makes no sense, so we discard it. This leaves
t = 4 sec.
Answer:
A
Step-by-step explanation:
Answer: A
Step-by-step explanation:
Let's rewrite the numbers inside to see if we can take some out.
For example; 12 is 3 x 4 and 4 is 
which means a 2 will come out of the root.
We can also rewrite 18 as 9 x 2 and 9 can be rewritten as 
which will make the 3 come out.
60 can be rewritten as 15 x 4 and 4 can be rewritten as which will make the 2 come out.
Let's rewrite this.
When a number comes out of a root, it has to be multiplied by the number that is already outside.
Solve and eliminate parentheses.
