Find the solution(s) of the system of equations.
x2 + y2 = 18

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

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