the center square is 20 x 20 = 400
there are 4 12 x 20 areas
12*20 = 240*4 = 960
960+400 = 1360 square inches
Answer: 87, 88, 89, 91, 92, 93, 94, 95, 96, 97, 98
Step-by-step explanation:
You basically try a whole bunch of numbers by taking those two numbers and another then adding them and dividing them by 3.
Answer:
Step-by-step explanation:

The answer would be B. Using the foil method to check, the two k's equal k^2, then the k and -f would equal -fk, plus the 2fk would equal a positive fk. Lastly, the 2f and -f would equal -2f^2.