Iwill mark with highest answer what is 9(6+13)12+3.1(7.3-2)=?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Which expression shows the sum of the polynomials with like terms grouped together

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.