Answer:

Step-by-step explanation:
Heat always flows from a hotter object to a colder one. If heat flows from the sphere to the water, 
A is wrong. If the temperature of the water is greater than 8 °C, heat will flow from the water to the sphere.
B is wrong. If the temperature of the water is lower than 8 °C, heat will flow from the sphere to the water..
D is wrong. If heat flows from the water to the sphere, the temperature of the water will decrease.
9 dollars is 4 dollars.
Let's find the percent form of the discount
=> 4 dollars / 9 dollars = 0.44
Now, let's convert it to percentage
=> 0.44 * 100% = 44%
Thus the discount is 44%
Answer:
The length of each blue trim is 17.2 inches
Step-by-step explanation:
Given
See attachment for banner
Required
The length of each blue trim
Since all 4 triangles are equal, then the dimension of 1 triangle is:


The hypotenuse (x) of the triangle blue trim is represented by the blue trim
So:

This gives



Take square root


9514 1404 393
Answer:
11
Step-by-step explanation:
4 × (2 3/4) = 4×2 + 4×(3/4) = 8 + 3 = 11
or
4 × (2 3/4) = 4 × 11/4 = 11