My shop floor plan in square grid 6 × 4 and im installing a security camera on ceiling upper right hand corner that rotates 360 degrees. what percentage of room will be hidden from camera?

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Find the vertex of the function given below y=x^2-6x+1

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7