15. 12 kg çilekten 6 kg reçel yapılıyor.
22 kg reçel yapmak
için kaç kg çileğe ihti-
yaç olur?​

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)