1. A hollow sphere with inner radius a and outer radius b has density at any point in this hollow sphere inversely proportion to the square of its distance from the origin. {Hint: Use 15.8.}
A) Use calculus to calculate the mass of this hollow sphere by hand.
B) Use calculus to calculate the average density of this hollow sphere by hand.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.