John and ken use the telephone a lot John make 4 call every 6 that ken makes. Ken makes 120 calls how many does John make?

Multiplying an even number of negative numbers gives an answer that is choose from:

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?