Let a, b be nonzero numbers. What is the following number? (a/b)^9/(a/b)^2

Can you simplify 4/7? 24 points will be awarded!

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?