Answer:
B
Step-by-step explanation:
multiply two numbers and like that
<span>A calorie is a unit which is used to measure the amount of energy in a piece of food. In order to maintain their weight, a person needs to consume a fixed number of calories. A person that weighs 160 pounds needs to consume approximately 2080 calories if they are inactive, 2400 calories if they are moderately active and 2720 calories if they are very active. </span>
Answer: (a) car exhaust; (b) chemicals and (d) people
Step-by-step explanation:
Indeed, it all starts from people. They are the ones who use the cars and make the pollution happen. It is also people who use chemicals to pan and find gold, for example, polluting rivers.
You need open parentheses ,do not change signs, because it is +, and add like terms
5x²-2x+6x-4=5x²+4x-4
correct answer is B
Answer:
C that's the answer cuz anything to the power of 0 is 1, and there 5 terms
