An orange has 20 fewer calories than a bannana. if 7 bananas have the same number of calories as 9 orange, how many calories are in a bannana?

What can you determine about the solutions of this system

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)

Write the expression 7x^3-28xy^2 as the product of 3 factors