An equilateral triangle with side 20cm is inscribed into a circle. Calculate the distance of a side of the triangle from the centre of the circle​

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Common binomial factor of 6x(3x+7)+5(3x+7)