The ARC cosine of .28 = 73.74 degrees
the sine of 73.74 degrees = .96
1 kilo gram is 1000 grams. 1 gram is 1000 milligrams. Think you can solve the rest? :)
The answer is B. The second one
If i were you, i would add one to 7x and fifteen. this gives you x^2+8x+16, a perfect square of x+4.
To find your answer, you just have to graph the points, then connect them to see what shape they make! :) Hope this helps!
