Answer:50%
Step-by-step explanation: or 1:2
B and D by simplifying the fraction
I got 9/2,-3/4. hope it helps
12.
Add like terms from both trinomials:
Combine these terms to get a new trinomial as your answer:
13.
Subtract like terms from both trinomials (note that subtracting a negative is the same as adding it as a positive):
0 can be left out of the answer.
Combine these terms to get a binomial as your answer:
48 + 23 = 71
The bus started out with 71 students.