Express the resultant vector as a linear combination of unit vectors i and j.
8) u = 8i – 5j
b = 9i + 12j
Find: 2u - 10b
A) 671 - 63j
C) -31i+19j
E) -53i - 21j
B) -74i - 130j
D) 121 - 63j
IV vry
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You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola