If (x + yi) + (2(x + yi) + 3i) = 9, what is x + yi?
a.
3 − i
b.
-3 + i
c.
-3 − i
d.
3 + i
e.
9 − 3i

The distance around the lake is 2 kilometers. ifelena wants to run 14 kilometers this week, howmany laps must she run around the lake

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Divide. write in simplest form 41/6 divided by 10