Multiply.(x - 3y)(-4x + 11y)
A. -4x2 + 23xy + 23y2
B. x2 + 23xy + 23y2
C. x2 + 23xy - 33y2
D. -4x2 + 23xy - 33y2
Answer: D
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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.B = 17°, b = 2.7, a = 4.62
A. two triangles A1 = 30°, C1 = 133°, c1 = 6.8; A2 = 150°, C2 = 13°, c2 = 2.1 B. one triangle A = 150°, C = 13°, c = 2.1 C. one triangle A = 30°, C = 133°, c = 6.8 D. no triangle
Find the probability.One digit from the number 4,979,889 is written on each of seven cards. What is the probability of drawing a card that shows 4 or 8?
A. 
B. 
C. 
D. 
Write the ratio in fractional form and simplify completely.90 dollars : 100 dollars
A. 
B. 
C. 
D. 
Solve the problem.The function V(r) = 4?r2 describes the volume of a right circular cylinder of height 4 feet and radius r feet. Find the instantaneous rate of change of the volume with respect to the radius when r = 9. Express the answer in terms of ?.
A. 72? cubic feet per feet B. 18? cubic feet per feet C. 36? cubic feet per feet D. 8? cubic feet per feet