2x2+3x−12, when x=5 It is not (2x2) its and exponent (next to the 2) I don't see how to put the thing like that, but if you help you get crown! :)

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

Choose the more precise measurement. 26.4 cm or 8.39 cm

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?