Answer:
20 and -20
20^2 = 400
(-20)^2=400 since two negative is positive
During 7 hours: 28 parts assembled
during 14 hours: 56 parts assembled
during 21 hours: 84 parts assembled
during 28 hours: 112 parts assembled
during 35 hours: 140 parts assembled
The sum must be irrational in contradiction to it being rational
Answer:
#1 x=3 (the furthest to the left on top)
#2 x=4 (below both questions)
#3 x=2 (farthest to the right)
Step-by-step explanation: