If your still using number blocks then it is 20 ones but if its just addition or so it is just 20
Answer:
whats the question
Step-by-step explanation:
Answer:
-12
Step-by-step explanation:
We start with the equation: 
Substitute the variables: 
Solve using order of operations (start with multiplication): 
And then addition/subtration: 
Answer:
There is nothing here to answer
Step-by-step explanation:
Answer: x=4. PS=QR=15
Step-by-step explanation: