Multiply using the FOIL method.(x + 8y)(x + 6y)
A. x2 + 14xy + 14y2
B. x2 + 14xy + 48y2
C. x + 14xy + 48y
D. x2 + 11xy + 48y2
Answer: B
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State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, opposite directions B. Parallel, same direction C. Perpendicular D. Neither
Solve the triangle.a = 60, b = 8, C = 105°
A. c = 65.45, A = 69.9°, B = 5.1° B. c = 68.35, A = 65.9°, B = 9.1° C. c = 62.55, A = 67.9°, B = 7.1° D. no triangle
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 2x + 4y = 6.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. No B. Yes
Solve the differential equation using the method of variation of parameters.
