what is the percent of values

Given an approximately normal distribution with a mean of 159 and a standard deviation of 70. a) What percent of values are within the interval (89, 299)? b) What percent of values are within the interval (19, 159)? c) What interval contains 99.7% of all values? d) What percent of values are above 229? e) What percent of values are outside the interval (19, 229)