A 5cm * 11cm rectangle sits inside a circle with a radius of 12 cm
What is the area of the shaded region?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Icould really use some with this question.