Evaluate the expression when

n=3

60n(2 - n) = ?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Pleas ! i just cant seem to get it right! choose: congruent or proportional choose: cf or ce or bc choose: segment addition postulate or cpctc

47: 4 aisha changed 1.45 + 2.38 to 1.5 + 2.4 in order to estimate the sum. what estimation method did she use?