Question For the set of triangle vertices, find the coordinates of the vertices of the image after a dilation by the given scale
factor. Then graph the preimage and image on a separate sheet of paper.
A(9,9

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Ineed with this problem 21 show steps

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?