The temperature is 3.5 degrees Fahrenheit at 7:00 am. During the next 4 hours, the temperature decreases by-15.5 degrees. What is the temperature at 11:00 am?
A. -19 degrees F
B.19 degrees
C. 12 degrees F
D. -125 degrees F

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =