Find fraction notation.1.98989898 . . .
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the value.52 - 63 ÷ 32
A. -21 B. 49 C. -1 D. 1
Mathematics
Determine the leading term, leading coefficient, and the degree of the polynomial.t - 4t2 + 6t3 + 5
A. 6t3, 6, 3 B. -4t2, -4, 2 C. t, 1, 1 D. 5, 5, 0
Mathematics
Modeling Consumer Price Index The consumer price index (CPI) is calculated by averaging the prices of various items after assigning a weight to each item. The following table gives the consumer price indexes for selected years from 1940 through 2002, reflecting buying patterns of all urban consumers, with x representing years past 1900. Find an exponential regression equation for these data. Round coefficients in equation to three decimal places, if necessary.
Mathematics
Combine and simplify.
A. 
B. 
C. 
D. 
E. 
Mathematics