Graph the hyperbola.25x2 - 4y2 = 100
A. 
B. 
C. 
D. 
Answer: C
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Find the formula for the function.Express the perimeter of an isosceles triangle with side lengths x, 5x, and 5x as a function of the side length.
A. p = 25x3 B. p = 10x C. p = 10x3 D. p = 11x
Evaluate the integral by changing the order of integration in an appropriate way.
A. 2 sin 10 B. 2(1 - cos 10) C. 2(1 + sin 10) D. 2 cos 10
Solve the equation for solutions over the interval [0, 2?). Write solutions as exact values or to four decimal places, as appropriate.sin 
+ cos 
= 0
A. 
B. 
C. {0 , ?}
D. 
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Between 77 and 78 cars
A. 3 people B. 98 people C. 15 people D. 2 people