Is the distribution of annual incomes of U. S. adults a normal distribution? explain why.

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?