If tan(k 90°) - 0 then k is an even integer.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.