1. What is 3+5?
3 6
8 9

2. What is 12-9?
3 4
12 3921

3. What is 131+83?
-391 391
214 203

4. What is 12x5?
60 43
55 62

5. If 30n-15y=16+10y and -11n+17=4n-3y,
and if z = the x intercept of 2x + -3 + 5x^2 = 19,
then what is log base (n+z) of 35 rounded to the nearest tenth