please solve and write your answer down as an improper fraction or proper fraction. please make sure to simplify if needed

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

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)

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?