Simplify the radical. Assume that all variables represent positive numbers.
A. y
B. y6
C. y3
D. 
Answer: C
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Two forces act at a point in the plane. The angle between the two forces is given. Find the magnitude of the resultant force.forces of 59 and 81 newtons, forming an angle of 90°(round to the nearest newton)
A. 22 newtons B. 4779 newtons C. 140 newtons D. 100 newtons
First, write the value(s) that make the denominator(s) zero. Then solve the equation.
= 
+ 60
A. x ? 0, 2; 
B. No restrictions; {4}
C. x ? 0; {8}
D. x ? 0; 
Write the first three terms in the binomial expansion, expressing the result in simplified form.(x + 2)20
A. x20 + 40x19 - 760x18 B. x20 + 380x19 + 760x18 C. x20 + 760x19 + 760x18 D. x20 + 40x19 + 760x18
Find the vertex of the parabola.y = x2 - 12x + 36
A. (6, 0) B. (0, 6) C. (-24, 0) D. (36, 0) E. (6, -24)