Help me pls, and pls don't scam me again, pls, I am using all of the points I have left

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate