Answer the question about rate ratios and proportions if you can type 60 words per minute how long would it take you to type a 300 word assignment

Ined this is due tomorrow and i dont know the answer can you find all the exponents

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.