What are the zeros of the function? f(x)=2x^2−8x−10

The system of equations graphed below has how many solutions?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?