Find the exact value of the following expression without using a calculator.cos 
A. 
B. - 
C. - 
D. 
Answer: A
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Find the coordinates of the vertices and the foci of the hyperbola.25y2 - x2 = 6.25
A. V(-2.5, 0), V(2.5, 0), F(-6.5, 0), F(6.5, 0)
B. V(0, -0.5), V(0, 0.5), F
, F
C. V(-2.5, 0), V(2.5, 0), F
, F
D. V(0,-0.25), V(0, 0.25), F(0, -6.5), F(0, 6.5)
Provide an appropriate response.A square has an area of 25 square inches.(i) What is the length of each side of the square?(ii) What is the perimeter of the square?
A. (i) The length of each side is 5 inches. (ii) The perimeter is 20 inches. B. (i) The length of each side is 10 inches. (ii) The perimeter is 25 inches. C. (i) The length of each side is 5 inches. (ii) The perimeter is 25 inches. D. (i) The length of each side is 20 inches. (ii) The perimeter is 100 inches.
Write the number without exponents.1.43 × 100
A. 0 B. 1.43 C. 14.3 D. 0.143
Graph the inequality on a number line. Then write the solution in interval notation.x > 
A. 
B. 
C. 
D. 
