Answer:
5
Step-by-step explanation:
First u minus (because of these () ) witch is 3 and 
is a fraction so u do 3× (u see that its not a ÷ sign because its a fraction) witch equals to 5
Answer:
a) 3x - 1
Step-by-step explanation:
f(x) + g(x)
(-2x + 6) + (5x - 7)
Drop the parentheses
-2x + 6 + 5x -7
5x and -2x can be combined as well as 6 and -7
So, 3x -1
I only figured out the answer for the Dorthy question, the answer is 210
any of the 34 cars can finish first
any of the remaining 33 cars can finish second
any of the remaining 32 cars can finish third
Thus, the top 3 finishes can be done in (34)(33)(32) = 35904 ways
Answer:
n - 13
Step-by-step explanation:
n-4-9
We can combine like terms.
n - (4+9)
n - 13
