The waitress and hostess at a restaurant share the tips at the end of every shift. between the two of them, they earn an average of $60.00 in tips. the waitress takes $45.00, and the hostess takes $15.00. if they continue to earn money at this rate, how much will the waitress receive if they earn $256.00 at the end of their next shift?

a. $64.00
b. $184.00
c. $192.00
d. $208.00

What is sin 7x/4 ? i need on this urgent trig

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Write the slope intercept equation for line ab.