Estimate by rounding as directed.19.987 + 0.582 + 79.99; nearest tenth
A. 100.9
B. 100.6
C. 99.7
D. 100.4
Answer: B
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Provide an appropriate response.Suppose that the points (3, 2), (3.25, 2.5), (3.5, 2.25), (3.75, 2)and (4, 1.5) lie on the graph of the continuous function f, where f(x) ? 0. Use Simpson's rule and all of the given points to approximate the area between the graph of f and the x-axis on the interval 
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Fill in the blank(s) with the appropriate word(s).
Perform the indicated operations.( 5x4 - 10x2 + 5x ) - ( 8x3 + 3x2 - 8x + 6)
A. 5x4 - 8x3 - 7x2 - 3x + 6 B. 5x4 + 8x3 + 13x2 + 13x - 6 C. 5x4 - 8x3 - 13x2 + 13x - 6 D. 13x7 + 13x3 + 6
Graph the equation. Identify the coordinates of the vertex.y = -x2 - 2x + 8
A. (1, 9) B. (- 1, - 9) C. (- 1, 9) D. (1, - 9)
The ratio of the height of two buildings is 7 to 5. The first building is 210 feet tall. How tall is the second building?
a. 145 feet b. 150 feet c. 140 feet d. 160 feet