3 letters are typed, with repetition allowed. What is the probability that all 3 will be vowels? Write your answer as a percent. Round to the nearest hundredth of a percent as needed.

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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)