A number cube is rolled 110 times. The number 4 comes up 16 times. Which is the experimental probability of rolling a 4? Express your answer as a fraction in simplest form. A. 1/4

B. 8/55

C. 47/55

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Find the quotient with the restriction.

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document