Write the explicit formula for the geometric sequence.
2,8, 32, 128,
A)
an = 2n-1
B) an = 2.61-1
C) an = 2 - 2n-1
D) an=2.40-1

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

What is the measure of angle afe? 79 81 91 99

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)