Given:
A company wants to select 1 project from a set of 4 possible projects.
Consider the options are:
a.
b.
c.
d. 
To find:
The constraints that ensures only 1 will be selected.
Solution:
It is given that the company wants to select 1 project from a set of 4 possible projects. It means the sum of selected projects must be equal to 1.

Therefore, the correct option is (a).
Answer is 5 its because ummmm uhhhhhhh hahaha i really dont know how to explain it but the answer is 5
Answer:
16 and 17
Step-by-step explanation:
16 * 17 = 272