A 17-foot ladder is leaning against a house. If the top of the ladder is 15 feet above the ground, how far from the house is the bottom of the ladder.

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 name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove