The scale on a map says 4cm represents 20 kmWhat is the actual number of kilometers that is represented by 20 centimeters on the map?

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form