Identify the vertex and the y-intercept of the graph of the function . vertex: (3, −4); y-intercept: −9 vertex: (−3, 4); y-intercept: −5 vertex: (3, 4); y-intercept: −5 vertex: (−3, −4); y-intercept: 13

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%

If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). line m has no y-intercept, and its x-intercept is (3, 0). line n has no x-intercept, and its y-intercept is (0, -4). the equation of line m is , and the equation of line n is .