Match the graph to its equation.
A. - 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Answer: C
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Find the center and radius of the circle.x2 + 6x + 9 + (y - 9)2 = 81
A. (9, -3), r = 9 B. (-3, 9), r = 9 C. (3, -9), r = 81 D. (-9, 3), r = 81
Solve the problem.A coin is tossed ten times and the sequence of heads and tails is observed.(a) How many different outcomes are possible?(b) How many different outcomes have exactly three tails?(c) How many different outcomes have at least one tail?
What will be an ideal response?
Write the number in scientific notation.620,000
A. 6.2 × 10-6 B. 6.2 × 106 C. 6.2 × 105 D. 6.2 × 10-5
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 0
B. 6y
C. 
D. 