Answer:
Alright well the first Answer to your question is
1. 19
2. - 3
3. 39 Hope this helps Have a nice day :)
Explanation:
If u want i can explain all of them :)
Question 1: Simplify each term multiply 5 time 2 which gives u ten and u have the other half 3 and the power 2 Raise three up to the power of 2 and u have 10 + 9 which gives u 19
Question 2: Same thing what i did to the first Question
Question 3: All u need to do is add the fraction's, find the LCD (Least common denominator) and combine them.
Hope this helps :) and sorry it took so long