Given vectors u = ⟨–2, 1⟩ and v = ⟨4, –2⟩, which statement is true concerning u and v? a. The vectors form an obtuse angle of approximately 93°. b. The vectors form an obtuse angle of approximately 96°. c. The vectors form an obtuse angle of approximately 127°. d. The vectors point in opposite directions.

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

Negative 5 1/12 + negative 4 1/4 + 6 3/4

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?