Find the perimeter. Use 3.14 for ?.
A. 104.38 yd
B. 140.76 yd
C. 53.38 yd
D. 80.07 yd
Answer: D
Mathematics
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Find the probability.An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at least one correct answer.
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely using the grouping method.16x2 + 8x - 35
A. (4x - 5)(4x + 7) B. prime C. (4x + 5)(4x - 7) D. (4x - 5)(x + 7)
Mathematics
Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
A. 12.649 cm B. 80 cm C. 160 cm D. 8 cm
Mathematics
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.-1 + (-2) + 8
A. 5 B. 9 C. 7 D. 11
Mathematics