David bought a silver ring at a jewelry store he finds the density of the ring is 10.5 g/cm³ and its volume is 2 cm³ what is the mass of the rings a.21g b. 42g c. 57g d. 78g

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Can someone me find the original price? the discount is 5% and the sale price is $68.40