Which of the following points lie in the solution set to the following system of inequalities? (1 point) y ≤ x − 5 y ≥ −x − 4 a (−5, 2) b (5, −2) c (−5, −2) d (5, 2)

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).

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,

What is negative 3/9 times negative 2/8 ?