Ben has a collection of 15 coins in quarters and dimes there are 7 quarters in the collection .

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.