Hi, can anyone tell me the answer to this question? To transform xd^2y/dx^2+dy/dx=1/x into a linear differential equation with constant coefficients, the required substitution is

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

What are “like terms”? why can we only add like terms?

Which is a graph of a proportional relationship?