12. The sum of four consecutive numbers in A. P. is 32 and the ratio of the product of the first and last terms to the product of two middle terms is 7:15. Find the number.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

Cuántos triángulos forman un diamante