What is the following sum? Assume x>0 and y>0 square root of x^2 y^3 +2 square root of x^3 y^4 +xy square root of y

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.