What is Negative three-fourths + 2 and three-fourths? 3 and one-half 3 and three-fourths 2 and one-half 2

How is the number of vertices for a prism related to the name of the prism

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

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%