The grade of a highway up a hill is 44%. How much change in horizontal distance is there if the vertical height of the hill is 450 feet? Express the answer to the nearest foot.
A. 1,042 ft
B. 1,023 ft
C. 923 ft
D. 1,033 ft
E. 998 ft
Answer: B
Mathematics
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Transform the equation by rotating the axes through the given angle. Identify the curve.2x2 - xy + 2y2 = 7; ? = 45°
A. 
+ 
= 1; ellipse
B. x'2 - 3y'2 = 7; hyperbola
C. 
+ 
= 1; ellipse
D. 
+ 
= 1; ellipse
Mathematics
Evaluate.(-1)4
A. -4 B. -1 C. 4 D. 1
Mathematics
Graph the set of numbers given in interval notation. Then write an inequality statement in x describing the numbers graphed.(-?, 3]
A. x ? 3
B. x > 3
C. x < 3
D. x ? 3
Mathematics
Simplify the expression.-19 + 4 - 11
A. -12 B. -4 C. 26 D. -26
Mathematics