Answer is -3+10=7 and 13-1=12 so is 10,12
Sorry I don't have enough time to deal with this problems, I believe that by using this formula you will easily come out with your answer. In the first one that has all sides you must use the law of cosines. Here is the formulas . Keep it because it is very helpful
Answer:
4 or 5
Step-by-step explanation:
The answers are a=4 and b=-2
Answer:
x=25
Step-by-step explanation:
all you do to find x is subtract 30 from 5 and you get 25 you double check by replacing x for 25 and there is your answer!