Jill arranged her baseball cards in 4 rows of 9 cards then she arranged the cards in 2 rows of 18 cars how many other ways can jill arrange her baseball cards in equal rows

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.