Jill has 60 ribbons. half of them are red. the rest are blue and black. there are 4 more blue ribbons than black ribbons. how many black ribbons does jill have

What is the value of x? enter your answer in the box. photo attached.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept