What is the equation of the following line written in general form? (the y-intercept is -1.)

2x + y - 1 = 0
-2x - y - 1 = 0
2x - y - 1 = 0

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.