Consider the quadratic equation x^2 + 8x + k = 0 where k is a constant​

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.