Add or subtract.
+ 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
A. -2145 B. -1989 C. -1852.5 D. -2086.5
Mathematics
Solve.How long will it take for the population of a certain country to double if its annual growth rate is 3.4%? Round to the nearest year. Use the exponential growth model P(t) = P0ekt.
A. 1 yr B. 59 yr C. 20 yr D. 9 yr
Mathematics
Solve the problem.The temperature at the North Pole was -47°F at 8 am. At 3 pm, it was 17°F. By how many degrees did the temperature rise?
A. by 30°F B. by -64°F C. by 64°F D. by -30°F
Mathematics
Round the number to the place value indicated.6
,003
A. 62,100 B. 63,000 C. 62,010 D. 62,000
Mathematics