The 21st term of an AP is 13 and the sum of the first 21 term is 96 find the first term

What is the least common multiple of 16 and 3?

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.

In the rectangle below ac=30 units what is de