Round to the indicated place value.Round 1.29 to the nearest tenth.
A. 1.3
B. 1
C. 1.4
D. 1.2
Answer: A
Mathematics
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At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Less than 15.2 seconds
A. 68% B. 50% C. 16% D. 34%
Mathematics
Determine whether 
lie on a straight line.
?
A. no B. yes
Mathematics
Simplify the rational expression. (Assume the denominator is nonzero.)
A. 
B. 
C. 
D. 
Mathematics
Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.-9
+ 9
A. 18(cos 150° + i sin 150°) B. 9(cos 210° + i sin 210°) C. 9(cos 150° + i sin 150°) D. 18(cos 210° + i sin 210°)
Mathematics