Miko’s restaurant bill was $16. she used the expression 1.18(16) to find the total cost, including an 18% tip. which expression is equivalent to the amount miko paid? a.16 + 1.18 b.(1+0.18)16 c.16+0.18(16) d.1+0.18(16)

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.