How to write 50,003,456 in word from

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?