Jerry bought 4 dvds for $25.20. what was the unit rate?

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?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]