1. There is a square stained glass window in your house with a smaller square inside it, formed by connecting the midpoints of each side. If the window is 10 inches long on each side, what is the perimeter of the inside square? Round to the nearest tenth. please help
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Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Need so much on this one how many yards?