Add or subtract. Assume all variables represent nonnegative real numbers.
- 3
- 2
A. -5
B. -5
C. -18
D. -18
Answer: C
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Determine the types of symmetry that the quilt pattern below has (line, turn, point), if any.
A. This quilt square has 4 lines of symmetry, 90°, 180°, and 270° turn symmetry, and point symmetry. B. This quilt square has 180° turn symmetry and point symmetry. C. This quilt square has no symmetry. D. This quilt square has 2 lines of symmetry, 180° turn symmetry, and point symmetry.
Mathematics
Solve the exponential equation and approximate the result, correct to three decimal places.4 ? 3x - 7 = 10
A. 2.049 B. 1.140 C. -0.262 D. 1.317
Mathematics
Simplify.3 - 4[2 - (2x - 4)]
A. -2x + 11 B. 8x + 11 C. -2x - 21 D. 8x - 21
Mathematics