Solve the system by the best method. Use set notation to express the solution set.
A. no solution; ?
B. {(8, -7)}
C. {(-8, -7)}
D. {(8, 7)}
Answer: C
Mathematics
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Determine whether the events A and B are independent.Two cards are selected at random from a standard deck of 52 cards without replacement. Event A: An ace is selected on the first drawEven B: An ace is selected on the second draw
A. No B. Yes
Mathematics
Find the missing value and write a conclusion. If necessary, round the percentage to the nearest tenth.What percent of 1600 is 170 ?
A. 0.1% of 1600 is 170. B. 5.1% of 1600 is 170. C. 10.6% of 1600 is 170. D. 941.2% of 1600 is 170.
Mathematics
Write the number as an exponential expression, using the base shown. Check your result with a calculator.1 (base 11)
A. -110
B. 110
C. 111
D. 
Mathematics
Divide.
÷ 
A. 
B. 
C. 
D. 
Mathematics