0.003 is one tenth of

What is the absolute value of the complex number -4-sqrt2i

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

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years