A circle passes through the points (2, 3) and (-1, 6). Its centre lies on the
line 2x + 5y = -1. Find
(i) the coordinates of the centre of
the circle,
(ii) the radius of the circle,
(iii) the equation of the circle.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Identify the number 127 as a rational or irrational. explain

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.