If y represents total earnings in dollars and x represents hours worked, then which equation models the wages of someone who makes 6.25 an hour?

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30