Enter the values for the variables that give the
correct simplified expressions, x = = 0.
V 50.x2 = 25-2.x2 = 5x17
b=
V32x = 16.2 X= 2x
V18n
19.2.12 even
e =
72x2 - V36 2 12 - yx V2
g=

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

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).

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?