What is the largest number of islands, each with two bridges attached to it, that you can get to every other island by crossing only two bridges?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|