Identify the lines about which the figure has reflective symmetry.
A. l and n
B. m only
C. l, m, n, and o
D. m and o
Answer: D
Mathematics
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Solve. The product of two whole numbers is given by the polynomial 2x2 + 7x - 39. Factor the polynomial. If the smaller number is 1, what is the larger number?
A. (2x - 13)(x + 3); 10 B. (2x - 13)(x - 3); 4 C. (2x + 13)(x - 3); 21 D. (2x + 13)(x + 3); 9
Mathematics
Tell whether the given rational expression is proper or improper.
A. proper B. improper
Mathematics
Write the number in scientific notation.79,000,000
A. 7.9 × 107 B. 7.9 × 106 C. 7.9 × 10-7 D. 7.9 × 10-6
Mathematics
Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics