Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. x3
B. x6
C. x4
D. 3x
Answer: A
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Solve the equation.
- 
= 3
A. 45 B. -90 C. 90 D. -45
Find the probability.If three cards are drawn without replacement from a deck, find the probability that the third card is a face card, given that the first card was a queen and the second card was a 5.
A. 
B. 
C. 
D. 
Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.-7x
A. 0; monomial B. -7; monomial C. 0; binomial D. 1; monomial
Solve the problem.On one New Year's day, the price of gasoline in California was $2.31 per gallon. On the same day, the price of gasoline in one region of Mexico was $0.89 per liter. Where was gasoline more expensive on that day? By how much? Give your answer in dollars per gallon.
A. In Mexico gasoline is $0.28 per gallon more expensive than in California. B. In California gasoline is $2.08 per gallon more expensive than in Mexico. C. In California gasoline is $7.86 per gallon more expensive than in Mexico. D. In Mexico gasoline is $1.06 per gallon more expensive than in California.