Find the cosine of ∠J. Write your answer in simplified, rationalized form. Do not round.
cos (J) =

√2726/94

Step-by-step explanation:

Hope it will help you.

a. the are of the rectangle is 18.25

b. 18.25 times two is 36.50

rae me : d

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