Answer:
a) (3,7) b) 35
Step-by-step explanation:
Answer:find the operation first or try to estima your awnser
Step-by-step explanation:
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
In the right triangle ABC
-----> the cosine is the adjacent side to angle A divided by the hypotenuse
substitute the values and solve for x


Answer:
False
Step-by-step explanation:
40c - 300 = 40c + 200
-300 = 200
false