Solve the problem. Round results to an appropriate number of significant digits.From a balloon 1185 ft high, the angle of depression to the ranger headquarters is 51°38'. How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 943 ft
B. 938 ft
C. 933 ft
D. 928 ft
Answer: B
Mathematics
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Identify the curve represented by the equation.8.7x2 = 3y - 8.7y2
A. Ellipse B. Hyperbola C. Circle D. None of these
Mathematics
Provide an appropriate response.Simplify: 
+
+ 
What will be an ideal response?
Mathematics
Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.If 309 is subtracted from a number, the result is 707.
A. x - 309 = 707; 1016 B. x + 707 = 309; -398 C. x + 309 = 707; 398 D. x - 309 = 707; -1016
Mathematics
Determine the order of the matrix.
A. 2 × 2 B. 1 C. 4 D. 2
Mathematics