Order - 11, 22, -10, 17, -26, and 1 from greatest to least.

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Solve for x, y, and z. show all steps.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.