?Use the inner product 
to find 
, where 
/> and 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
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Solve the right triangle. If two sides are given, give angles in degrees and minutes.
B = 58.45°, a = 434.7 mGive side lengths to two decimal places.
A. A = 31.55°; b = 751.45 m; c = 817.21 m B. A = 31.55°; b = 707.98 m; c = 830.78 m C. A = 31.55°; b = 664.51 m; c = 830.78 m D. A = 31.55°; b = 707.98 m; c = 843.43 m
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.2x2 - 2y2 = 102x2 + 4y2 = 34
A. {(-3, -2), (-2, -3)} B. {(3, -2), (3, 2)} C. {(3, 2), (-3, 2), (3, -2), (-3, -2)} D. {(3, 2), (2, 3), (-3, -2), (-2, -3)}
Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.2x2 - 5x = 7
A. x = 
, x = -1
B. x = 
, x = 1
C. x = 
, x = 1
D. x = 
, x = -1
Simplify.3 ? 8 + 7(7 + 5) + 8
A. 86 B. 116 C. 164 D. 548