45-15= 30-28= 2+18=20
Is that what the question was asking??
Answer: negative
Step-by-step explanation: If its -4* -5 it's going to be a positive if it's -3*4 it is going to be negative same with division.
Answer: B : 12+3=15
Step-by-step explanation:
A sum is the answer of an addition problem
Answer:
r=-5/9
Step-by-step explanation:
Factor out the 2 from the expression
Reduce the numbers with the greatest common factor 2
Distribute the 5
Add Like terms
And then divide to get r
Answer:
it is 81 :)
Step-by-step explanation:
i took the quiz :3