Provide an appropriate response.
Taylor used a hexagonal stock with a 2-in. distance across the flats to mill a new hexagonal rod as illustrated in the cross-section. Assume the vertices of the inside hexagon are the midpoints of the original hexagon's sides. What is the length of one side of the new hexagon? 
A. 2 in.
B. 0.87 in.
C. 1.73 in.
D. 1 in.
Answer: D
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = y - ex - 2, y(2) = -1, h = 0.5
A. y1 = -6.6945, y2 = -18.2830, y3 = -36.2673 B. y1 = -6.1945, y2 = -16.3830, y3 = -35.6173 C. y1 = -7.1945, y2 = -20.1830, y3 = -36.9173 D. y1 = -5.6945, y2 = -14.4830, y3 = -34.9673
Express the sentence as a single numerical expression. Then use the order of operations to simplify the expression.Square -2. Subtract this exponential expression from -80.
A. -84 B. 84 C. -76 D. 76
Write decimal as a percent.0.78
A. 7.8% B. 780% C. 78% D. 0.078%
Solve the problem.A boat moves 6 kilometers upstream in the same amount of time it moves 20 kilometers downstream. If the rate of the current is 5 kilometers per hour, find the rate of the boat in still water.
A. 2
kilometers per hour
B. 5 kilometers per hour
C. 9
kilometers per hour
D. 8
kilometers per hour