Solve the problem.If the formula R = -0.037t + 50.1 can be used to predict the world record in the 
eter dash 
after 1925, for what years will the world records be 48.5 seconds or less?
A. 1944 or after
B. 1968 or after
C. 1969 or after
D. 1970 or after
Answer: C
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.8 + 
+ 
+ ... + 
+ ...
A. 
; 6
B. 
; 12
C. 
; 12
D. 
; 6
Mathematics
Describe the distributions with a pie chart.The following data give the distribution of the types of houses in a town containing 15,000 houses.CapesGarrisonsSplits3,750?5,250?6,000
A. 
B. 
Mathematics
Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Mathematics
Solve.In a certain year the Federal debt held by the public was $1.45 trillion, while the population of the United States was 331 million. Approximate the national debt per person.
A. $4381 B. $43,807 C. $228,276 D. $22,828
Mathematics