Write the interval as an inequality involving x. Graph the inequality.(2, 6)
A. 2 ? x ? 6
B. 2 < x ? 6
C. 2 < x < 6
D. 2 ? x < 6
Answer: C
Mathematics
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Use the pH scale to answer the question.What is the hydrogen ion concentration of a solution with pH 2.5?
A. 3.2 x 10-3 B. 3.2 x 10-2 C. 3.2 x 10-5 D. 3.2 x 10-4
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Find the slope and the y-intercept.-4x + 5y = -9
A. m = 20; (0, -45)
B. m = 
; 
C. m = 4; (0, -9)
D. m = 
; 
Mathematics
Change the given quantity to the indicated unit.48 pt = qt
A. 192 B. 24 C. 96 D. 12
Mathematics
Solve the problem.Find the perimeter of the polygon with the following vertices. Round to the nearest hundredth. A(1, 1), B(2, 5), C(5, 4), D(4, 2), E(3, 2)
A. 10.52 B. 12.76 C. 11.52 D. 14.64
Mathematics