Solve x2 + 6x = 7 by completing the square. Which is the solution set of the equation? {–7, 1}
(negative 3 minus StartRoot 10 EndRoot comma negative 3 + StartRoot 10 EndRoot)
(3 minus StartRoot 10 EndRoot comma negative 3 + StartRoot 10 EndRoot)
{1, 7}

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

i think the answer is d im not sure