Which equation using x to represent time best represents the floor number of an elevator descending at a steady rate? a. y= -75+2x b. y=-75-2x c. y=75-2x d. y=75+2x

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Could someone with number 1 and 2