What is the y-intercept of the line y = -7x + 1?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?