Simplify × × 5 × y plz help

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

The triangles are similar. what is the value of x? enter your answer in the box.

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