Given the function f(x) = 6x^2 −13, what is f(-3)?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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?