NEED HELP ASAP (Will give brainliest)
Review the graph.

Which letter represents the sum of (4 + 3i) and (-1 + i)?
imaginary
-A
-B
-C
-D

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document