Here is a circle, centre o, and the tangent to the circle at the point (-7,24) on the circle Find an equation of the tangent at the point P
Give your answer in the form y=ax+b where a and b are both fractions with denominator 24

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).

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.