Malachi works out on a stair-stepping machine.

What is the independent variable in this practical situation?

What is the dependent variable in this practical situation?

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.