The math club had to pay a $12 set up fee for club T-shirts plus $5 per shirt. Formulate an equation. Let s represent the number of t-shirts and C the cost.

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).

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola