The answer is B. because it is 6:9 which simplifies down to 1:3
Pythagorean theorem is

and using that sin is opposite/hypotenuse, you can find the third side of the triangle.

now you know adjacent is 60, so cos=60/61
Answer:
da first one
Step-by-step explanation:
Answer:
Just divide the numbers by 10 and then multiply the quotient by 2. hope this helped
Answer:
y=2x+17
Step-by-step explanation:
y-y1=m(x-x1)
y-1=2(x-(-8))
y-1=2(x+8)
y=2x+16+1
y=2x+17