I need help with as soon a posible

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

What is the solution to -2(8x – 4) < 2x + 5? ο ο οο χ> 6 χ< 6 what’s the answer to this

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation 0b is the intensity of a given sound and lo is the threshold of hearing intensity. what is the intensity, in decibels, [l(db)], when 1 - 10"(%)? use a calculator. round to the nearest whole number a. 15. b. 32 c. 320 d. 737