The ratio of squares to circles in a pattern is 4 to 3 complete the table to show the relationship between the numbers of squares and circles in the pattern

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.