Determine whether each set of numbers can be measures of the sides of a triangle. If so, classify the triangle as acute, obtuse, or right. Justify your answer. 30, 40, 50 a no; 30 + 40 > 50 b yes; obtuse triangle; 302 + 402 = 502 c yes; acute triangle; 302 + 402 > 502 d yes; right triangle; 302 + 402 = 502

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.