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

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

What is the result of the following division?

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.