Given that matrix A= 1st row ( 2 1 1) 2nd row (1 2 1) 3rd row (1 1 2). Determine the values of constant p and q such that
A^2+pA+qI-0, where I is an identity matrix in order 3x3.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x