Multiply using the FOIL method.(x + 11y)(-2x - 4y)
A. x2 - 26xy - 44y2
B. -2x2 - 26xy - 26y2
C. x2 - 26xy - 26y2
D. -2x2 - 26xy - 44y2
Answer: D
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Simplify.24 - (16 ÷ 4) + 5 ? 22
A. 28 B. 40 C. 22 D. 100
Solve the system of equations by using the inverse of the coefficient matrix.x - y + z = 6x + y + z = 8x + y - z = 4
A. x = 5, y = 2, z = 1 B. x = 2, y = 5, z = 1 C. x = 5, y = 1, z = 2 D. No inverse, no solution for system
Find the exact value under the given conditions.Given sin ? = - 
, with ? in quadrant IV, and tan ? = - 
, with ? in quadrant II. Find cos (? + ?).
A. - 
B. - 
C. 
D. - 
Twenty thousand dollars is divided into two scholarships. Twice the amount of the smaller scholarship is $2000 less than the amount of the larger scholarship. What is the amount of the larger scholarship?
A) $14,000 B) $6000 C) $7000 D) $18,000 E) $2000