A locker combination has three nonzero digits, with no repeated digits. If the first digit is a
2, what is the probability the second digit is also even?

A)1/2
B)1/3
C)3/7
D)3/8

One integer is 8 times another. if the product is 72, then find the integers

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Multiplying fractions by whole number 5 x 1/3=?