The formula A=1/2bh gives the area of a triangle with base b and height h. which of the following shows the formula solved for the height and has the correct value of the height if the area is 6 square units and the base is 4 units? a. h=2b/a; h=4
b. h=2A/b; h=4
c. h= 2b/A; h=3
d. h= 2a/b; h=3
pls pls help !

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

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)) =

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !