Answer: A and B
Explanation: A sum is an answer to an addition problem and a difference is the answer to a subtraction problem. N is the sum to the addition problem and -n is the answer to a subtraction problem.
Answer:
Step-by-step explanation:
180-40+20=120
180-120+39=?
99=?
Answer:
the answer is 8.
Step-by-step explanation:
area of a triangle *2+area of a square
Answer:
jbhbchbhvbbhcbrhfbcbhshshbhsvhbhv;b;rvbhbhcrbihcbhc
Step-by-step explanation: