I will mark you as most Brillance if you help me get this right!

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Is there an x intercept in the equation 60*1.15^x