Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah is 2x + 4
Answer:
(2,4)
Step-by-step explanation:
the point where the lines intercept is the solution, so it is (2,4)
Answer:
-6
Step-by-step explanation:
Additive inverse is the number that when added to A gives a result of zero
A + inverse = 0
6 + inverse = 0
inverse = -6
Answer:






Step-by-step explanation:
Given
--- terminal side of 
Required
Determine the values of trigonometric functions of
.
For
, the trigonometry ratios are:


Where:


In 
and 
So:






<u>Solving the trigonometry functions</u>


Rationalize:






Rationalize















