How many subsets of the set {a, b, c, d, e, f, g} do not contain the letter "d"?
Fill in the blank(s) with the appropriate word(s).
64
Mathematics
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Simplify.130 + 110
A. 2 B. 0 C. 24 D. 1
Mathematics
For the given rectangular equation, write an equivalent polar equation.xy = 1
A. 2r sin ? cos ? = 1 B. r sin 2? = 2 C. 2r2sin ? cos ? = 1 D. r2sin 2? = 2
Mathematics
Solve the problem.The percent of households with internet access is approximated by 5x + 2, where x represents the number of years since the last census. Estimate the percent of households with internet access 5 years after the census.
A. 27% B. 7% C. 50% D. 23%
Mathematics
Approximate to the nearest thousandth, using a calculator.- 
A. -98.954 B. -9791.000 C. -98.949 D. -98.946
Mathematics