sally's cat is stuck in a tree 18ft off the ground. The base of a ladder is placed 6 feet away from the base of the tree. what is the minimum length needed to reach the cat (rounded to the nearest foot)?

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

In the diagram below,abc is congruent to dec what is the value of x