Simplify (10 + 3i) (5 - 2i) ... ?

What comes next in the pattern? 13, 24, 17, 29, 21, 34, 25, 39, 29, 44, 33,?,

If a concession owner pays $0.50 per pretzel, and it costs the owner $1.00 to have the pretzel prepared and served, what should the owner charge per pretzel if he wants cost to be 60% of the price? a) $0.90 b) $1.50 c) $2.50 d) $3.50

15 is what percent of 90?

If the diameter of a wheel is 5ft, about how many miles does the wheel travel if it makes 134 resolutions? use

Lucy wants to plant 16 roses, 24 sunflowers, and 32 lillies in her garden. She wants to plant only one type of flower in each row, and she wants each row to have the same number of plants.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.