Pls say fast plz

d

Step-by-step explanation:

Well you have to know that 1+3+5+...+(2n-1)=n^2

so n^2=196

n^2=(14)^2

n=14

so it's d

answer: download photomath it's legit.

step-by-step explanation:

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