16. Jeruto was born when her mother
was 27 years old and her father was
30 years old. After how many years
will the mean age of Jeruto and her
parents be 26 years?

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

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.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?