An item is on sale for 15% off its original cost. if the original cost of the item is represented by p, and the sale price is represented by s, which equation can be used to find the sale price of an item?
a) s= 0.75p
b)s= 0.85p
c)s=1.15p
d)s=0.015p
i need this asap
30 points if it’s right!

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

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.

Given abc find the values of x and y. in your final answer, include all of your calculations.