Find all values of the variable for which the rational expression is undefined. State "no values" if none exist.
A. 6, -6
B. 0
C. -7, -3
D. 7, -3
Answer: C
Mathematics
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Decide whether or not the matrices are inverses of each other.
and 
A. Yes B. No
Mathematics
Convert to decimal notation.5.284 × 10-6
A. -5,284,000 B. 0.0000005284 C. 0.000005284 D. 0.00005284
Mathematics
Write percents as decimals and decimals as percents.0.0087 of all products produced at a certain factory contain defects.
A. 0.87% B. 0.087 C. 8.7% D. 87%
Mathematics
Give the degree of the polynomial (when simplified), and tell whether it is a monomial, a binomial, a trinomial, or none of these.10z5 + 3z4 - z3 + 12
A. Degree 5; none of these B. Degree 5; trinomial C. Degree 13; binomial D. Degree 12; trinomial
Mathematics