Simplify.
A. 60
B. 11
C. 
D. 
Answer: C
Mathematics
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Solve the equation. Express radicals in simplest form.16x2 - 240 = 0
A. ±15
B. 16
C. 37.5
D. ±
Mathematics
Arrange the group of numbers in order, from least to greatest.0.09, 0.01, 0.019, 0.091
A. 0.019, 0.091, 0.01, 0.09 B. 0.01, 0.019, 0.09, 0.091 C. 0.01, 0.09, 0.019, 0.091 D. 0.091, 0.019, 0.09, 0.01
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.
(
+ 
)
A. 49
+ 7
B. 7
+ 49
C. 14 + 49
D. 7
+ 7
Mathematics
Identify the following as an experiment or an observational study.At one hospital in 2005, 674 women were diagnosed with breast cancer. Five years later, 88% of the Caucasian women and 83% of the African American women were still alive.
A. Experiment B. Observational study
Mathematics