2. Write (2+5i)(3-1) as a complex number in standard form a+bi.
real part + imaginary part

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.