Of 140 seventh-grade students, 15% earn the presidential physical fitness award. how many students earn the award?

For the function, f(x) = -5x 2, find f(-4).

Based on the figures as marked, /\rqs = —

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%