Find the standard form of the equation of the circle.Center at (-2, 6) and tangent to the y-axis.
A. (x + 2)2 + (y - 6)2 = 2
B. (x - 2)2 + (y + 6)2 = 4
C. (x + 2)2 + (y - 6)2 = 36
D. (x + 2)2 + (y - 6)2 = 4
Answer: D
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Evaluate the algebraic expression for the given values of the variables.
for x1 = -2, x2 = -7, y1 = 2, and y2 = -2
A. 0
B. 
C. 
D. - 
Write the sum without sigma notation and evaluate it.
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 
D. 
+ 
= 
Solve the problem.If a computer can examine 10,000 Hamilton circuits per second, how long would it take to examine all the Hamilton circuits in K12? Round to the nearest second.
A. 3992 seconds B. 47,900 seconds C. 39,916,800 seconds D. 622,702 seconds
Solve.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since the school was opened. What is the record for the long jump 
after the school opened? Round the answer to the nearest tenth.
A. 26.4 ft B. 22.8 ft C. 26.2 ft D. 26.6 ft