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
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Factor this polynomial completely x^2-64

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3