Answer:
Repost your picture; it is super blurry.
Step-by-step explanation:
Step-by-step explanation:
I can only answer part 2 of your question, "If we multiply two positive numbers, is the result positive or negative?". if you multiply 2 positive numbers your answer would be positive.
Since 500 is the area, and 20 is the length, divide 500 by 20. Your answer is a decimal. (0.04) therefore, you have to make it into a whole number. So move the decimal to the right two times. So 4 is your height.
Answer: x+8
The term 'sum' means 'result of adding two (or more) numbers or expressions'.