Prove the following trigonometric identity and show your work: (in other words, show that the identities on the left equal the one on the right). show all of your work. sinθ cot θ = cos θ

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.

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Someone me what is the area of this figure? 18m 18m 8m 16m