What is the product of (5-2i)(3+i)

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Look at attachment. has all info needed. need