The selling price is 2.5 times the cost. If the cost goes up by 0.25, the selling price needs to go up by 2.5*0.25 = 0.63 in order to maintain the gross margin.
Answer:
(1)7 (2)9 (3)6
Step-by-step explanation:

(1)The average rate of change between x=2 and x=5

(2)The average rate of change between x=3 and x=6

(3)The average rate of change between x=2 and x=4

The statement that can be put in the blank to make the statement true would be 30 X 10^5 or you can also write this expression as 3.0x10^6.
Answer:
A) 40
B) 20
Step-by-step explanation:
By <em>Length · Width · Height</em>
A) (5) · (4) · (2) = 40
For part B, the length and width are the same, but the depth (height) of the water is only one foot, so we can replace the height value from the first equation with 1.
B) (5) · (4) · (1) = 20