3. In a sequence given by Tn = a + bn, the 7th and 15th terms are 19 and 43 respectively. Find the 4. The sum of three consecutive terms of an A. P. is 18, and their product is 120. Find the terms.
5. The first term of a linear sequence is 3 and the 8th term is 31. Find the common difference.​

Which equation requires the division property of equality to be solved?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.