Complete.139.3 mm2 = _______ cm2
A. 1.393
B. 0.1393
C. 1393
D. 13.93
Answer: A
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Find the perimeter.
A. 98 yd B. 42 yd C. 41 yd D. 28 yd
Solve the problem.If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where 
. How many bolts must be sold to maximize revenue?
A. 2976 thousand bolts B. 1488 bolts C. 2976 bolts D. 1488 thousand bolts
Find the approximate change in z when the point 
changes from 
to 
.
?
; from 
to 
?
A. -0.004
B. ?0.002
C. ?-0.04
D. ?0.004
E. ?-0.008
Solve the problem.In 1840 the population of a midwest city was 20,000. By 1880 it had grown to 23,000. If it continues to grow approximately linearly, what will the population be in 1918? Give your answer to the nearest whole number.
A. 26,000 B. 23,001 C. 25,850 D. 22,851