There are 2 sandwiches, 6 drinks, and 1 dessert to choose from. How many lunch specials are possible?

How do i work this problem out using the equation a=pe^rt

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500