Noel reads 90 minutes a day for six days. tyra reads 60 minutes for eight days. what is the diffrence , in minutes , between the total amount of time noel read and the total amount tyra read.

a. 30

b. 40

c.60

d. 80

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

Could somebody me with this radical simplification?

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.