Jonathan watched 6 videos that were 8 minutes long. he also watched 5 minutes of ads during that time. for how long was jonathan watching videos.

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

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Anyone know these questions? i need ,.