Who thinks he is cute I was just asking

Plss anybody know how to do this? ? i need the answers from a through d

What is the equation for electrical work?

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