Perform the indicated operations. Write the answer in standard form, a+bi.
(5 + 6i)(5 - 6i)

Which of the following are accepted without proof in a logical system? check all that apply.

Caitlin had 402. in her bank account.she withdrew $15.each week to pay for swimming lesson. she now has $237.

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?