Find the area of the shaded region. Use 3.14 to approximate ?, if needed. Round to the nearest tenth if necessary.
A. 20 sq yd
B. 36 sq yd
C. 10 sq yd
D. 40 sq yd
Answer: A
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Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 2.42 B. 7.88 C. 0.35 D. 1.97
Use a calculator to find the approximate value of the composition. Round your answer to four decimal places. The expression may be undefined.sin (arctan (2))
A. 0.8944 B. 0 C. Undefined D. -0.8172
Complete the ordered pairs so that each is a solution of the linear equation. Then plot each solution and graph the equation by connecting the points by a straight line.y = x + 7(2,
)(-3,
)(0,
)
A. (2, -9)
(-3, -4)
(0, -7)
B. (2, 9)
(-3, 4)
(0, 7)
C. (2, 5)
(-3, 10)
(0, 7)
D. (2, -5)
(-3, -10)
(0, -7)
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.What is 4.722 less than 8.26?
A. Estimate: 3; exact: 3.548 B. Estimate: 3; exact: 3.542 C. Estimate: 4; exact: 4.548 D. Estimate: 3; exact: 3.538