The legs of a right triangle have lengths of 4 and 5 units. find the length of the hypotenuse

Which statement about the graph of y = 8(0.25)^2

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )