Deborah playlist on her mp3 player had a variety of songs on it. she had 21 country songs, 18 alternative songs, 16 pop songs, and 18 rock songs. write and evaluate an expression using only addition.

Will mark name all segments skew to bc

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle