Factor.10xy + 30y
A. 10y(x + 30)
B. 3y(x + 10)
C. 10y(x + 3)
D. 10y
Answer: C
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Solve the problem.Water is falling on a surface, wetting a circular area that is expanding at a rate of 
How fast is the radius of the wetted area expanding when the radius is 
(Round your answer to four decimal places.)
A. 0.0279 mm/s B. 71.6283 mm/s C. 0.0140 mm/s D. 0.0877 mm/s
Solve for the variable.-7x = 63
A. -70 B. 70 C. -9 D. 1
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.a = 23, b = 16, B = 20°
A. one triangle A = 29.45°, C = 130.55°, c = 35.55 B. one triangle A = 150.55°, C = 9.45°, c = 7.68 C. two triangles A1 = 29.45°, C1 = 130.55°, c1 = 35.55 or A2 = 150.55°, C2 = 9.45°, c2 = 7.68 D. no triangle
Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 1
C. 
D. 