Mi pregunta es : Si k=3x + 3-x, entonces 9x + 9-x es igual a:

A) K²

B) K² + 2

C) K² - 2

D) K² - 1

E) 3K

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?