Avery bought 6.5 pounds of produce. if the produce was priced at $1.88 per pound, how much change did avery receive if she paid for her purchase with a $20.00 bill?

What is the value of r of the geometric series?

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)

Combine like terms to make a simpler expression 3z+z