The circumference of a circle is 70 cm. Find the area of the circle, rounding your answer to 3 significant figures.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What is the the greatest common factor ?