Find the area of the trapezoid.
A. A = 272 cm2
B. A = 425 cm2
C. A = 49 cm2
D. A = 175 cm2
Answer: A
Mathematics
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Provide an appropriate response.Show that 
+ 
= 
. In terms of area, explain the result.
What will be an ideal response?
Mathematics
Find fraction notation for the infinite sum. 0.5555 . . .
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
A. -3x3y3 - 5xy + 4 B. -3x3y3 - 5xy3 + 4 C. -15x3y3 - 25xy + 20 D. -3x3y5 - 5x3y2 + 4
Mathematics
Solve the problem.The following table shows the number of resistors, in thousands, produced by Allied Electronics in 3 recent years. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. 12 B. 10 C. 11 D. 9
Mathematics