Lucille is teaching Kendra how to play racquetball. She teaches her how to hold the racquet, where to stand, and how to make effective shots. These learned skills that Lucille has acquired are an example of memory.

The answer is procedural memory.

Explanation:

Procedural memory is an automatic memory system that involves knowledge about procedures and motor skills. Riding a bike, using a spoon or typing on a keyboard are examples of procedural memory.

Because procedural memory is implicit, it relies on past experiences in order to be stored in the long-term memory.  

the correct answer on edgen is:

(c.) prevent the spread of communism.

i just took the test.