True or false question. right answer with an explanation shall get brainliest!

a contextual tab ( such as the "design" tab used with excel tables ) only displays when applicable.

true or false

Before you enter an intersection on a green light make sure

Print "usernum1 is negative." if usernum1 is less than 0. end with newline. convert usernum2 to 0 if usernum2 is greater than 10. otherwise, print "usernum2 is less than or equal to 10.". end with newline

An npn transistor is correctly biased and turned on if the a. base is negative. b. collector is negative. c. collector is positive with respect to the emitter and negative with respect to the base. d. collector is the most positive lead followed by the base.