What should you do if you make a mistake on a check?

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

The solution set for 5v2 – 125 = 0 is