Solve the problem.Dave bought 9 packets of cookies for $18.90. Each packet of cookies contains 10 cookies. Find the cost of each cookie to the nearest tenth of a cent.
A. 0.2 cents
B. 2.1 cents
C. 21.0 cents
D. 22.1 cents
Answer: C
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Identify the leading term and leading coefficient of the polynomial.2x6 - 8x7 + 9x2 - 8
A. -8x7, 8 B. 2x6, 2 C. -8x7, -8 D. 8x7, 8
Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal.
A. 14 million B. 1 million C. 16 million D. 15 million
Solve the problem.The temperature at the South pole was 37° at 8 am. At 3 pm, it was -26°. By how many degrees did the temperature drop?
A. 11° B. -11° C. 63° D. -63°
Convert the measure to its alternate U.S. or metric form. Write improper fractions as mixed numbers for U.S. measures and as decimals for metric measures.Convert 66.5 liters to gallons.
A. 2
gallons
B. 17
gallons
C. 17 gallons
D. 21 gallons