Write a numerical expression that represents the quotient of 85 minus 7 and 19

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?