PLEASE HELP?! Which of these represents a situation in which one quantity changes at a constant rate per unit interval? a The population of a sample of bacteria decreases by 25% every hour.

b Every year, Albert’s salary increases by 5%.

c The value of a machine depreciates at the rate of 12% every year.

d Every month, John saves 5% of his salary.

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Sum of the interior angles of a pentagon