Determine if the following expressions are monomials or not monomials​

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Which system of linear inequalites is represented by the graph?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?