A plant forernan measures the amount of water in a tank after given time periods.
What is the relationship between the time
in minutes, t, and the volume of water in
the tank, v?
0
5
10
15
20
Time in
minutes
0 200
400 600
800
Volume
in liters
Fv=t+ 200
G P = 2001
HV = 400
Jy = 501
K v = 4t

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.