Answer:
35x-35y+21
Step-by-step explanation:
.5(20x-50y+36)-.25(-100x+40y-12)
10x-25y+18+25x-10y+3
35x-25y+18-10y+3
35x-35y+18+3
35x-35y+21
The popcorn I believe costed $3 because if u do 10-7 then u clearly get 3
The change from the first experiment to the second one is
(second temperature) - (first temperature)
= (-71°C) - (-51°C)
= - 20°C .
The temperature in the second experiment is 20°C lower
than the temperature in the first one.
Answer:
bnvc43
Step-by-step explanation: