The drum of the washing machine spins at 1,200 revolutions per minute. If the diameter of the drum is 76 centimeters, find the angular speed of
the drum in radians per second. Round your answer to the nearest tenth
(1 decimal place). Only enter numerical answer.

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

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?

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.