Find the equation of the hyperbola with vertices (2, 0), (-2, 0) and focus (4, 0).
?
A. 
B. 
C. 
D. 
E. none of these
Answer: A
Mathematics
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Graph the equation. Select integers for x, -3 ? x ? 3.y = 4x - 5
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for the given values of the variables.
for y = 16, q = 4, x = 9, p = 12
A. -5 B. -4 C. 4 D. 5
Mathematics
The size of two matrices is given. Find the size of the product AB and the product BA, if the products exist.A is 2 × 2, B is 2 × 2.
A. AB is 2 × 4, BA is 2 × 4. B. AB is 1 × 1, BA is 1 × 1. C. AB is 2 × 2, BA is 2 × 2. D. AB is 4 × 2, BA is 4 × 2.
Mathematics
Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 7 cm
A. 44.0 cm; 44 cm2 B. 44.0 cm; 153.9 cm2 C. 22.0 cm; 615.4 cm2 D. 22.0 cm; 87.9 cm2
Mathematics