Solve the system.
A. (2, 4)
B. (4, 2)
C. (0, 10)
D. (4, 2), (-4, 2)
Answer: B
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Fill in the blank with <, >, or = to make a true comparison statement. -0.39 _____ -0.38
A. > B. = C. <
Find the weighted average.Michael gets test grades of 70, 80, 81, and 87. He gets a 75 on his final exam. Find the weighted mean if the tests each count for 10% and the final exam counts for 60% of the final grade. Round to one decimal place.
A. 76.8 B. 78.6 C. 235.8 D. -82.2
Solve the problem.The figure shown here shows a rectangle inscribed in an isosceles right triangle whose hypotenuse is 4 units long. Express the area A of the rectangle in terms of x.
A. A(x) = 2x(x - 2) B. A(x) = 2x(2 - x) C. A(x) = x(2 - x) D. A(x) = 2x2
Find the period of the trigonometric function.
?
?
A. 
B. 6
C. 
D. 
E. 