Find the square root.
A. -7
B. 7
C. -24
D. Not a real number
Answer: D
Mathematics
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Construct the indicated rotation.A 270° rotation of the polygon about point A
What will be an ideal response?
Mathematics
Solve the problem.Suppose that the change in pressure of the oil in a reservoir can be approximated by: P(x) = x3 - 20x2 + 100x where x is time in years from the date of the first reading. Find P(9).
A. 15 B. 19 C. 12 D. 9
Mathematics
Write the system of linear equations represented by the augmented matrix. (Use variables x, y, z, and w.)
A. 
?
B.
?
C.
?
D.
?
E.
?
Mathematics
Solve.The second angle of a triangle is 4 times as large as the first. The third angle is 50° more than the sum of the other two angles. Find the measure of the second angle.
A. Second: 13°
B. Second: 3
°
C. Second: 65°
D. Second: 52°
Mathematics