When a number is written using a whole number plus a portion of one, with the portion separated from the whole number by a dot, is called a .

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.