Jonah is thinking of a 2 digit number. it is a multiple of 6 and 12. it is a factor of 108. the sum of its digits is 9. what number is jonah thinking of?

Evaluate cos2θ for cosθ = square root of 3/2

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?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's