What is the least common multiple (lcm) of 3, 6 and 27?

3

27

54

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?