Darryl has $5 left in his pocket. he spent $16 on a book, $20 on a compact disc, and $2 on a magazine. how much money did he have at the beginning of the day.

Which of the following is true for the relation f(x)=2x^2+1

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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.