What is y in the equation y = 3x + 7, if x is -3?

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

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?