So, if a jewerly store marks up the price of a topaz ring 215% and the store paid $70 for the ring how much is the store selling the ring? tell me how you got the answer as well.

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Find two numbers if their sum is 91 and the ratio is 6: 7?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?