Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the indicated vector.Let u = 
. Find 6u.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(-6x2)-1
A. 
B. 
C. - 
D. - 
Mathematics
Write down all the subsets of the given set.{p, q, r}
A. ?, {p}, {q}, {r}, {p, q}, {p, r}, {q, r}, {p, p}, {q, q}, {r, r}, {p, q, r} B. ?, {p}, {q}, {r}, {p, q}, {p, r}, {q, r} C. {p}, {q}, {r}, {p, q}, {p, r}, {q, r}, {p, q, r} D. ?, {p}, {q}, {r}, {p, q}, {p, r}, {q, r}, {p, q, r}
Mathematics
Write the ratio of 25 gal in 10 min as a fraction and simplify.
Mathematics