Simplify the expression.
A. -3
B. 9
C. 3
D. not a real number
Answer: D
Mathematics
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Write the number in expanded form.87
A. (8 × 101) + (7 × 102) B. (8 × 102) + (7 × 101) C. (8 × 100) + (7 × 101) D. (8 × 101) + (7 × 100)
Mathematics
Write interval notation.{ x ? x > 6 }
A. (-?, 6) B. [6, ?) C. (-?, 6] D. (6, ?)
Mathematics
Express the inverse of the given statement symbolically.Take the square of x and subtract 7.
A. 
B. 
C. (x + 7)2
D. x2 - 7
Mathematics
Find the circumference of a circle with radius 2.5 feet. Round to the nearest tenth of a foot.
What will be an ideal response?
Mathematics