Answer:
3
Step-by-step explanation:
f(x) = 3x² - 2x + 1
f(x) = ax² + bx + c
a = 3
Alejandra worked 8 hours and Qasim worked 5
195/15 is 13. They worked 13 hours in total. 8 is 3 more than 5 and together they equal 13.
x=-5/7