What is the mean absolute deviation, round if needed.

78,93,84,97,100,77,94,96,93,92,90,8 9

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

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.