Prove The unique element of R of smallest size is 0. 2. The elements of R of the second-smallest size are precisely the units of R. 3. The elements of R of the third-smallest size are irreducible.

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

If you answer 2+2 you will get over 80 points