Carson is draining his swimming pool so he can clean it. the water level started at 12 feet and decreased 6 inches every hour. which of the following equations provides the water level of the swimming pool (in feet ) as a function of time (in hours)?

a. y= -1/2x+12
b. y= 6x-12
c. y= -6x+12
d. 1/2x-12

Plz i want answer and i would appreciate it is is a b c or d

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.