Answer:
58 students
Step-by-step explanation:
Given






Required
Students that take only 1 subjects
The attached image illustrates the question.
For French only (x), we have:


Collect like terms


For Geometry only (y), we have:


Collect like terms


For History only (z), we have:


Collect like terms


Students with one subject is then calculated as:



The answer should be B, in other words 41
The answer should be 65. The number be added is doubled. +4,+8, +16, +32 So 32+33=65 65+64=129
Y= - 5x + 7
Use the point and slope to solve for b, which is 7.
Answer: Using context clues
Step-by-step explanation: