Solve.If a rectangle has length l and width w, then it has an area of l?w square units. Find the area of a 20 by 23 rectangle.
A. 23 square units
B. 86 square units
C. 460 square units
D. 20 square units
Answer: C
Mathematics
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Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 3x2 + 13x - 15 = 0
A. a = 3, b = -13, c = 15 B. a = 3, b = 13, c = -15 C. a = 3, b = -13, c = -15 D. a = 3, b = 13, c = 15
Mathematics
Answer the question.True or False.Every integer is an irrational number.
Answer the following statement true (T) or false (F)
Mathematics
Find all replacements (less than the modulus) for the question mark that make the statement true.5 - 8 ? ? (mod 13)
A. 4 B. 2 C. 10 D. 11
Mathematics
Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis
A. 6?2 + 3? B. 6?2 - 12? C. 12? D. 3?2 - 6?
Mathematics