Somebody help me pwease 10 pointz

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

Write the equations in logarithmic form 7^3=343

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before