Zoe has a collection of 78 movies. each one cost $29.99. how much did zoe spend on all her movies? i need to see work for this and you

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Which of the following three dimensional figures has a circle as it’s base