Help!!
Which is equivalent to 5/1215^x

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum