Mike bought a cell phone that was 10% off the regular price of $200. if an 9% sales tax was added to the cell phone. what was the total price mike paid for it

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?