Help please I’ll give extra points

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64