Please help asap!
h​

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.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet