Multiply using a special product formula.(x + 8)(x - 8)
A. x2 - 16x - 64
B. x2 + 16x - 64
C. x2 - 64
D. x2 - 16
Answer: C
Mathematics
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Find the intervals on which the function is continuous.y = 
A. (-?, -5), (-5, 5), (5, ?) B. (-?, -5), (-5, ?) C. (-?, -25), (-25, 25), (25, ?) D. (-?, 25), (25, ?)
Mathematics
Solve the problem.A tunnel is to be dug from point A to point B. Both A and B are visible from point C. If AC is 250 miles and BC is 519 miles, and if angle C is 90°, find the measure of angle B. Round your answer to the tenths place.
A. 31.4° B. 18.7° C. 34.1° D. 25.7°
Mathematics
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)
A. {(5, -2, -5)} B. {(2, 5, 2)} C. {(6, 0, 5)} D. {(5, 2, 5)}
Mathematics
Graph the line that passes through the point (-1, -2) and has slope  figure 1.png)
 figure 2.png)
 figure 3.png)
 answer.png)
Mathematics