Simplify

1). (-1+8i) - (6+6i)

2). (1-5i) (1-7i)

3). - 9-3i/-i

4). - 5-3i/1-9i

There are 16 boys and 12 girls in the spanish club. four more boys joined the spanish club if ratio of boys to girls did not change, how many girls joined the spanish club?

Mr Lim read 3 books in 2 hours. He took the same amount of time to read the first two books. He took 15 minutes longer to read the third book than the first. How many minutes did he take to read the third book?

Which fraction is equivalent to 48%? A. B. C. D.

Ln what quadrant would the ordered pair (12, - 35) be located?

Suppose you play third base for Your high school softball team. In The last four games, You have a total of 6 hits in 15 at-bats. assuming you will have 4 at-bats in tomorrow's game.

Charlotte is running at a rate of 9 km/h what is charlottes speed in m/s

What force is needed to accelerate a 10 kg shopping cart 3 m/s2? (Do not include the units in the answer.)

A teacher assigns a score from 1 to 4 to each student project. The table below shows the probability distribution of the scores for a randomly selected student. Which score is most likely? Score: X Probability:P (X) 1 0.06 2 0.20 3 0.48 4 0.26

Jimmy loaded three bags of sand into his wheelbarrow. The bags weighed 24/12 lbs, 32/35 lbs, and 44/18 lbs. The total amount of sand in the wheelbarrow is

University Theater sold 465 tickets for a play. ticket cost $23 per adult and $13 per senior citizen. if total receipts were $7145, how many senior citizen tickets were sold