Answer:
Step-by-step explanation:
S, S, E.
Come on, do I have to spell it out for you? :)
Answer:
$7,000
Step-by-step explanation:
Let
equal the original price.

Combine like terms.

Divide by the coefficient of
, which in this case is 

If you like the variable on the left, rewrite:

Answer:
13
Step-by-step explanation:
There is the largest quantity of '13' in the list of data. Hence, 13 is the mode of the list of the data.
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! so im pretty sure its 20
Answer:
It takes 3.5 seconds for the ball to hit the ground
Step-by-step explanation:
By finding the x intercepts you can determine when the ball hits the ground.
the second x intercept is (3.5,0), which means the ball hits the ground at 3.5 seconds