The answer is b because there is a negative in the exponent and the number needs to be a single digit and 54 is double digit. hope this helps!
Answer:
-15
Step-by-step explanation:
-10+-9=-19+4=-15
Answer:

Step-by-step explanation:
ну где-то тааакккккккккк
Answer: 10?
Step-by-step explanation: Just divide 20/2 and you get the answer. Ight Ima head out
Answer:
do what exactly?
Step-by-step explanation: