The consumer price index (CPI) is a measure of the average change of prices paid by urban consumers for goods and services. If a worker earned $18.50 per hour in the year 1990, how much would he need to earn in 2004 to have the same buying power as he did in 1990? A) $12.80 B) $26.03 C) $26.74 D) $27.41 E) $32.83

The amount of energy it takes to lift a box might be a function of which of the following

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.