Answer:
I am not sure but I think its 42 reason is multiplication I might be wrong if its an exam or test or quiz dont use this answer
Step-by-step explanation:
Answer:
15+10=15
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
(-4)(5) = -20
Answer:
exponential growth
Step-by-step explanation:
the star is getting brighter exponentially, every 10 yrs.