What is 1 divided by 998,001 to 9 decimal places?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.