Select the correct answer. What is this expression in simplified form? (-7√3)(11 √10)
A. -462√5
B. -√2,310
C. -77√30
D. -231√10

Asphere has a diameter of 10 in. what is the volume of the sphere?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

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)