Let f(x, y)= (y^2+1i + (2xy-2)j. compute single integral with subscript of c f * dr where
a). c is the straight path from (0,0) to (0,1)
b,) c is the path from (0,0) to (0,1) along the parabola y=x^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).

Landon wrote that 3−2.6=4. which statement about his answer is true?

In the diagram of circle o, what is the measure of zabc?