Antonia is saving for a video game on the first day she saves two dollars in her piggy bank each day after that she doubles the number of dollars she saved on the previous day how many dollars does she save on the sixth day?

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

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?