Answer:
9ms
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
its an formula which comes in algebraic expression
I am unsure about the very last problem but I can help with the first two
1) (y+1)+4
If we combine the numbers 1 and 4, we get +5 and can isolate the numbers from the variable.
This would give us

2) (6*r)*7
remember that we do not have to explicitly state 6*r
Instead, we can write it as 6r
this helps us get rid of the parentheses
now we can write it as

I hope this helps!:)
You can see that the function is graphed for every number x that is greater than or equal to zero.
So we write that the domain is

.
Answer:
74
Step-by-step explanation: