Solve the problem by using two equations with two variables.A twin-engined aircraft can fly 1216 miles from city A to city B in 4 hours with the wind and make the return trip in 8 hours against the wind. What is the speed of the wind?
A. 57 mph
B. 114 mph
C. 76 mph
D. 95 mph
Answer: C
Mathematics
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Multiply.
? -6
A. 
B. 
C. 18
D. 9
Mathematics
Solve the problem.Evaluate cos-1 
.
A. 
B. - 
C. Undefined
D. - 
Mathematics
Graph the parametric equations.x = t2, y = 2 ln t ; 0 < t < ?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find an equation of the function f sketched below in the form 
. Use the vertex to find the values of h and k and use a second point on the graph to find the value of a.
A. f(x) = (x + 3)2 + 3 B. f(x) = (x + 3)2 - 3 C. f(x) = (x - 3)2 + 3 D. f(x) = (x - 3)2 - 3
Mathematics