Acar travels from boston to hartford in 4 hours. the two cities are 240 kilometers apart. what was the average speed of the car during the trip?

a. 4 km/hour
b. 36 km/hour
c. 960 km/hour
d. 60 km/hour

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew