Answer:B.
Step-by-step explanation:
Answer:
25
Step-by-step explanation:
Remember that multiplication and division will result in a positive number if no or two negative signs are present. So here, you ignore the negative signs.
All you really have to do is divide 50 by 2, which results in 25.
Answer:
At 0 hours, there are 100 grams of the substance remaining.
Step-by-step explanation:
Answer:
y=kx
Step-by-step explanation:
Answer:
7 ton
Step-by-step explanation: