When running a spelling and grammar check, which of these options in the "Not in Dictionary"Suggestion area does Nora need to select when she wants to fix an error?
Add to dictionary
Ignore Once
Ignore All
one of the suggested words

Awell-diversified portfolio needs about 20-25 stocks from different categories.

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?

Which statistical function in a spreadsheet you to see how far each number varies, on average, from the average value of the list?