Amachine worked for 5 hours and used 4 kilowatts of electricity. the machine used of a kilowatt each hour it worked.
what goes in the blank?

Alength on a map is 7.5 inches. thescale is 1 inch: 5 miles. what is theactual distance? a 1.5 miles c 12.5 milesb 2.5 miles d 37.5 miles

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation, and the determine the cost if he drove it70 miles. b) what would be the cost of a car rental if the car was driven 250 miles? show work