SAT dread.
1. If n and p are integers greater than 1 and if p is a factor of both n+3 and n+10, what is the value of p?
a. 3 b.7. c.10 d. 13. e 30
2. The company sends a team of 3 plumbers to work on a certain job. The company has 4 plumbers and 4 trainees. 1 team has 1 plumber and 2 trainees, how many different such teams possible?
3. In xy plane, the graph of x=y*y-4 intersects line l at (0,p) and (5,t). What is the greatest possible value of the slope of l?
Thanks in advance!