Compared to a virtual image, a real image

a. cannot be viewed on a screen.
b. forms at the curvature of a reflecting surface.
c. is always upright.
d. can be viewed on a screen.

Which task uses a simple parameter?

What is the error in the following pseudocode? module main() call raisetopower(2, 1.5) end module module raisetopower(real value, integer power) declare real result set result = value^power display result end module

To remove text from a specific location and keep it to use again, you should select