Answer:
B and C
Step-by-step explanation:
Linear functions are written in the format y=mx+b
If a function has an exponent it is nonlinear
Answer:
There are 75 ways to form the committee.
Step-by-step explanation:
The order in which the people are chosen is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
Considering the eldest has to be there, 2 men from a set of 6 and 4 boys from a set of 5(excluding the youngest), so:

There are 75 ways to form the committee.
You want to multiply together the number of possible choices for each digit in the code.
0-9 is ten possible numbers, since repetitions are allowed (example code 2,2,2,2) there are ten possible choices per digit in the code.
10*10*10*10 = 10,000 four digit coded possible
Answer:
Step-by-step explanation:
In my opinion the three consecutive numbers should be 25 26 and 27
25 + 26 + 27 = 78
Answer to Problem 1: 5√3
Answer to Problem 2: 21√5