How would you find the number, 3/7 of which is equal to t? (let's say it was any number, just need the equation)

What is the product of the radical expression. (7-2square root) (8+2 square root)

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)

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?