Which one of these are a inequality

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit