Factor (12 – p515 0 (4- rs5}(48 - rs5 - 2310)
O (A - rs5)(48 + rs54 +2510)
O (tº – rs 12)(+18 + rs 1249 +2524)
(A + rs5)(48 – rs5A +2510)

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?