Mike, Tony and Chris like to play basketball at the park.
Your answer should be number 1. "For how many days has this oven not been working". The other options are not correct English. EX. How many time days has this oven not been working. I hope this helps!!! Please mark braineist!!!!!
The correct answer among all the other choices is c. had to be transferred onto light-sensitive paper, and then inverted. Using traditional photographic paper, a slide, which is printed as a positive image, had to be transferred onto light-sensitive paper, and then inverted. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.