Since two people take both courses, we can subtract two from 7, 8, and 21, giving us 5, 6, and 19.
Add 5 and 6 together to get 11. Since eleven students are in those two groups, we can answer this. The answer will be 11/19.
Answer:
it's
Step-by-step explanation:
(2f+2)(2f-2)
(2f^2-2^2)
Answer:
14%
Step-by-step explanation:
161/115 = 1.4 which you times by 100
Answer:
D) x=9 ; y=3√(3)
Step-by-step explanation:
~
Therefore, x=9 and y=3√(3)
~
8m^2+18m+9=0
Multiply 2m by 4m to get 8m^2. Multiply 2m by 3 to get 6m. Multiply 3 by 4m to get 12m. Add the 6m and 12m to make 18m. Multiply 3 by 3 to get the integer 9. Set it all equal to 0.
