Find the value of the variable that satisfies the equation.
x - 3 = 1
A. x = 4
B. x = 8
C. x = -8
D. x = -4
Answer: B
Mathematics
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Solve the linear equation.
+ x = 
+ 3
A. 
B. {5}
C. 
D. 
Mathematics
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 10; 225°
B. 20; 45°
C. 10
; 45°
D. 10
; 225°
Mathematics
Multiply.(x + 4)(x2 - x + 8)
A. x3 + 3x2 + 32 B. x3 + 3x2 + 4x + 32 C. x3 + 32 D. x3 + 5x2 + 12x + 32
Mathematics
Solve the equation and check the solution.5(3x - 1) + 8(-5 + 2x) = 5(6x + 5) - 6
A. x = -26 B. x = 0 C. x = 6 D. x = 64
Mathematics