How do I solve these problems? -What proportion of women get scores between 30 and 45?

-What proportion of men get scores over 68?

-What score demarcates the upper 10% of women?

Here are the scores

MalesFemales
Mean 6040
Standard Deviation1210
People in Sample 13897

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.