Simplify 3:60:96: Calculate r, if 5:r=30:8 or 5/r=30/8 Calculate n, if n:4=58:19 Please give answers with working... :)

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

What is the area of the parallelogram? 48 sqrt(3)cm2 48 cm2 24 sqrt (3) cm2 24 cm2