Solve.
A. 
B. 5
C. 
D. none of these
Answer: B
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
Find the indicated cross product.v = i - 4j - 5k, w = -2i - 5j - kFind v × w.
A. -21i + 11j - 13k B. 29i - 9j + 3k C. 15i + 7j - 14k D. -13i + 21j - 11k
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(6x - 11)2
A. 36x2 + 121 B. 36x2 - 132x + 121 C. 6x2 + 121 D. 6x2 - 132x + 121
Solve the problem.Joe has a collection of nickels and dimes that is worth $6.25. If the number of dimes were doubled and the number of nickels were increased by 9, the value of the coins would be $10.90. How many dimes does he have?
A. 9 dimes B. 42 dimes C. 41 dimes D. 21 dimes