Father drove 176 km in 7 hours. For the first 92 km he spent for 4 hours. What was his average speed for the remaining journey? km/h

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