Anyone pls chat with me

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?