What is the greatest common factor (gcf) for 18y to the 2nd power and 3y to the 2nd power.
a)
3y
b)
3y2
c)
y
d)
3

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

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