A table has an area of 12 2 and a perimeter of 16 ft. What are the dimensions of the table?
0 2 ft by 6 ft
O 2 ft by 8 ft
O4 ft by 3 ft
O 4 ft by 4 ft

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Hi, can anyone show me how to do this problem? 100 points for this. in advance