Consider the equation y=2x²+9x+1.

when x=-1, what is the value of y?

enter your answer as a number, like this: 42

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil