Let's investigate
you have an appointment at 2 o'clock at the dentist. then you need to catch a
train one hour after your appointment. the walk to the train station takes
20 minutes. what time will you have to leave the dentist to catch your train?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

See attachment below and find the equivalent of tan(∠qsr)

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels