Simplify each of the following:
2
1. (3+4i ) + ( 19 - 5i)

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Which choice names the hypotenuse of triangle xyz? a. segment yx b. segment yz c. segment ab d. segment zx

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?