Find the area of the geometric figure.Trapezoid
A. 246.4 sq yd
B. 308 sq yd
C. 492.8 sq yd
D. 184.8 sq yd
Answer: A
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Find an equation of the line containing the given pair of points. Write your final answer as a linear function in slope-intercept form.(-5, 9) and (0, 5)
A. f(x) = - 
x + 5
B. f(x) = 
x + 5
C. f(x) = - 
x + 5
D. f(x) = 
x + 5
Solve the proportion.
= 
A. 6 B. 28 C. 7 D. 4
Solve the problem.Let H be the set of all points in the xy-plane having at least one nonzero coordinate: 
. Determine whether H is a vector space. If it is not a vector space, determine which of the following properties it fails to satisfy:A: Contains zero vectorB: Closed under vector additionC: Closed under multiplication by scalars
A. H is not a vector space; does not contain zero vector B. H is not a vector space; not closed under vector addition C. H is not a vector space; does not contain zero vector and not closed under multiplication by scalars D. H is not a vector space; fails to satisfy all three properties
Find the sum.Find the sum of the first 20 terms of the arithmetic sequence: -1, 6, 13, 20, . . .
A. 139 B. 1315 C. 1310 D. 1380