Rewrite sin (10x) cos (7x) as a sum or difference

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?