[(25-11)+(15-9)]÷5 =​

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)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

17 in long 1.3 ft wide and 8in high what is the volume