Find the perimeter of the figure.Trapezoid
A. 40 m
B. 74 m
C. 240 m
D. 30 m
Answer: B
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Use the vectors u, v, w, and z head to tail as needed to sketch the indicated vector. 
u + z 
A. 
B. 
C. 
D. 
Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in white on a black background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix B for which B - A represents the negative image of the picture represented by A.
A. 
B. 
C. 
D. 
Find the sum of the indicated terms of the geometric sequence.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Fill in the blank with the appropriate answer.Trigonometric functions describe the properties of _______________ triangles.
Fill in the blank(s) with the appropriate word(s).