Draw the graph of the equation.49x2 + 9y2 = 441
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
Factor completely.x3 - 216
A. (x - 6)(x2 + 36) B. (x - 6)(x2 + 6x + 36) C. (x + 6)(x2 - 6x + 36) D. (x + 216)(x2 - 1)
Mathematics
Find the center (h, k) and the radius r of the circle.x2 - 10x + y2 + 10y + 31 = 0
A. (h, k) = (-5, 5); r = 
B. (h, k) = (-5, 5); r = 19
C. (h, k) = (5, -5); r = 19
D. (h, k) = (5, -5); r = 
Mathematics
Use a calculator to find the value of the expression rounded to two decimal places.sin-1 (-0.9)
A. 2.69 B. -1.12 C. -64.16 D. 154.16
Mathematics