Answer:
7 seconds
Step-by-step explanation:
Hello There!
I had created a graph to make it easier to understand
So when y = 0 is when the ball is at the ground
when y = 0 x = 7 so it took about 7 seconds for the ball to hit the ground
Answer:
(7w + 9x)(7w - 9x)
Step-by-step explanation:
Given expression;
49w² - 81x²
Now to solve the problem;
49w² - 81x² = 7²w² - 9²x²
Using differences of two squares;
x² - y² = (x + y)(x - y)
So;
7²w² - 9²x² = (7w + 9x)(7w - 9x)
Answer:
C and $320.45
Step-by-step explanation:
I think it's C because this is the full function :

And to get the b part of the question i just put the number in

I'm not a 100% sure, sorry if it's wrong
Answer: 24
Step-by-step explanation: 180-114=66
66+90=156
180-156=24