Using the law of cosine for Triangle KJL, we can write:

Using the values of k,j and l, we can write:

Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer
4 * (25 * 1.2) = (4 * 25) * 1.2
Answer:

Step-by-step explanation:
If there are two variables together, you will have to multiply them.

Replace x and y accordingly:

Answer:
-1
Step-by-step explanation:
