Select the factors of x2 - 4x + 2y - 8 a. (x-2)(y+4) b. (x+2)(y-4) c. (x-4)(y+2) d. (x+4)(y-2)

associative property of multiplication

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles