What is the oxidation state of each element in mn(clo4)3?.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

How are students who take the writing portion of accuplacer graded?

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w12, h, plus, 30, w where hhh is the number of hours worked and the number of wagons sold. what is the amount paid to an employee who works 666 hours and sells 333 wagons?