Write the English phrase as an algebraic expression. Let the variable x represent the number.The difference of a number and 65
A. 65 - x
B. 65
C. x - 65
D. 65x
Answer: C
Mathematics
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Describe all symmetries of the figure shown.
A. 2 lines of symmetry, 180° rotation symmetry B. 4 lines of symmetry C. 4 lines of symmetry, 90° rotation symmetry D. 2 lines of symmetry
Mathematics
Find all specified roots.Cube roots of 8i
A. -2i, 
+ i, - 
+ i
B. 2i, 
- i, - 
- i
C. -2i, - 
- i, 
- i
D. 2i, 
+ i, - 
+ i
Mathematics
Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola.(x - 5)2 + (y + 5)2 = 9
A. parabola B. circle C. ellipse D. hyperbola
Mathematics
Solve.A rectangle has an area of 3x2 + 25x + 42. Find possible dimensions for this rectangle.
A. 3x - 36 by x + 6 B. x + 7 by x + 6 C. 3x + 7 by x + 6 D. x - 36 by x + 6
Mathematics