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:
y=3x+2
Step-by-step explanation:
So half of Nina's age is 10/2= 5. And since Greg is three years younger we subtract from 5 like so...
10/2=5
5-3
2
So Greg is 2 years old. I hope this helps love! :)
Answer:
7/10
Step-by-step explanation:
You can either use a calculator, or make both fractions have the denominator of 35 and change the two fractions to be,
and
then divide.
Hope that helps and have a great day!