Which matrix is equal to n + m n= 9.1 7.9 -2.4 0.2 -5.8 1.4 and m= 8.2 -0.06 -2.8 -1,8 -2.4 -6.1
the answer is the first one
17.3, 7.3, -5.2, -1.6, -8.2, -4.7
i took the test and its verified by me lol

What is the measure of x, in degrees

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided