An alloy consists of nickel, zinc, and copper in the ratio 2:7:9. c How many pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc?

20 ! identify the degree of comparison of the underlined adjective or adverb. read the sentence. for marley, spelling is the most difficult subject. which best identifies the degree of comparison of the underlined adjective or adverb? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-a. imperativeb. comparativec. superlatived. positive