The diameter of a penny is 19.05 mm and it is 1.52 mm thick. what is the mass od the penny?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents