Patios can be made by mixing cubic meters of gravel, sand, and cement in the ratio 11:3:7. How much sand is needed to make 84 cubic meters

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

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

answer: what do you mean