Perform the indicated operation and write the answer in the form a + bi.
(1 + i)(-3 - 4i)

In a school 2/3 of the students study a language of those who study a language 2/5 study french

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show