An earthquake measuring 6.4 on the richter scale struck japan in july 2007, causing extensive damage. earlier that year, a minor earthquake measuring 3.1 on the richter scale was felt in parts of pennsylvania. how many times more intense was the japanese earthquake than the pennsylvania earthquake? (round your answer to the nearest whole number.)

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .