If Trisha has 3 block periods for 90 minutes each day and 4 regular seconds periods for 50 minutes each school day, how many hours of class does she have per day? Round to the nearest tenth of an hour if needed.

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Describe the domain and range of y=2(3)^x-2+5

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders