What is the answer to this question?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0