Adance school has 63 ballet dancers. if 42% of the total number of dancers in the school are ballet dancers, what is the total number of dancers in the school?

Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?

The measure of an angle is 117°. what is the measure of a supplementary angle?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.