Vector A is 4.00 units in length and points along the positive x axis. Vector B is 5.00 units in length and points along the negative y axis. Use graphical methods to find the magnitude and direction of the vectors below.
(a) A+B
(b) A-B

they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2