Please help Me answer A B and C

I will give brainlst :)!

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q