Como sacar conclusiones de una tabla de frecuencias

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit