Iwill award by what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?