About 210,000 people live in a circular region with a 12-mile radius. Find the population density in people per square mile.

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d