Write an inequality for the following statement. c is less than 4
I am having trouble on this one can anyone help please?

What is the 12th term of b(n)=-4-2(n-1)

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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)