Simplify (20^13)^19 a. 400^32 b. 20^32 c. 20^247 d. 400^247

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

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

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so