Because Once again prime numbers are special: the gcf of two different primes is always ( blank ) they don't share any prime factors.

What is the quotient of 42/3 divided by 4 1/5

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?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14