A repairman leans the top of an 26 foot ladder against the top of a stone wall. The base of the ladder is 4.7 feet from
the wall. How tall is the wall? (Use Pythagorean Theorem:
a² + b2= c2)

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

What is perpendicular to y=-1/2x+11