Answer:
Well if you have -4 and want to get to -1 you can add +3 to -4 to get -1
Step-by-step explanation:
Answer:
the pre-image and the image are congruent
Step-by-step explanation:
Answer:
42 students are failing chemistry
Step-by-step explanation:
add all the percentages up and subtract from 100. x/202=21/100.
you get 42 students who failed.