Are these two figures congruent? why or why not?

Multiply. write your answer in simplest form. 3/8 x 5/7

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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