Answer:
150
Step-by-step explanation:
150+30=180 (180= straight line)
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:



Answer:
y=4x+5 is 4 and 4/1
the next one is y=8x+3
hope this helps
Step-by-step explanation:
Should be a scale factor of y= 1/9