When choosing between numeric data types, which of the following should not be a concern?

Which letters from the table represent like terms? a and b b and c a and d b and d

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.