Yolanda owes her friend $15. She also earns $8 each week in allowance. Write and solve an addition equation to show how the
total amount of money that Yolanda has will change if she pays her
friend back this week.

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)