Answer:
36
Step-by-step explanation:
you just add all of the numbers together
Answer: 16a +8
Step-by-step explanation:
Put g(a) in f(a) in place of a l;ike this:
4(4a + 3) -4 =16a + 12 - 4 = 16a + 8
Answer:
the expression is: 
and 2730 different ways are possible.
Step-by-step explanation:
In the given question we have to choose a president, vice
president, and secretary.
Permutations are used when order is important so, as in the given question order is required. We would use permutations
The formula used is:
where:
n=total number of objects
r=number of objects selected
In our case: n=15, r=3
Putting values and finding the answer:

So, the expression is: 
and 2730 different ways are possible.
Answer:
2x-7
Step-by-step explanation:
The graph is raised by the value of that constant (if it is negative, it is lowered by that much)