12. The circumference of circle T is 180x units.

What is the area of the shaded sector?

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Bring the fraction a/a-4 to a denominator of 16-a^2