The manager of a city recreation center wants to estimate the percent of city residents who favor a proposal to build a new dog park. To gather data, the manager will select a random sample of city residents. Which of the following is the most appropriate interval for the manager to use for such an estimate?
A. A one-sample z-interval for a population proportion
B. A one-sample z-interval for a difference between population proportions
C. A two-sample z-interval for a difference between sample proportions
D. A two-sample z-interval for a difference between population proportions

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)