$400 invested at 2% compounded quarterly after a period of 2 years

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.