Replacing y by x in the first line we'll get x+8x-12=6, so 9x=18, x=2, y=1 being the only solution
The answer to your question is B. 65
Answer:
he would have spent 10 hours on the piano.
Step-by-step explanation:
every time he practices he practices two more hours on the piano then on the trumpet times that by two and you have your answer
Solution:
Given:

To get the product of the polynomial; we use the distributive property of multiplication.


Therefore, the product of the polynomials is;
Answer:
40 part-time male students were in the survey.
Step-by-step explanation:
Given:
Total number of students in the Phoenix high school = 100
Number of female student = 40
Number of male student who went to Phoenix Full time = 20 students
Total number of full time students = 50 students
To Find:
Number of part time male students in the survey = ?
Solution:
we know that the total number of students = 100
Now total number of male students = total number of students - total number of female student
Now total number of male students = 100 - 40 = 60 students
Now among these 60 students, 20 males went to Phoenix
Full time
So the remaining male students = 60-20 =40 students
Hence these 40 students are part-time male students