Use a z-table to find the specified area. to the right of z = -1.82 a. 0.0344 b. 0.4656 c. -0.0344 d. 0.9656

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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?

Find the solution on the interval [0, 2pi)