Write a proportion that could be used to solve for each variable. then solve. 121 bricks in 16.5 minutes 22 bricks in m minutes

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.

What is the standard form of -5x^2+2x^4-11+x^3+3x

The graph shown is the graph of which function?