A class of 40 students elected a class president. There were 12 votes for candidate A, and 18 votes for candidate B. The remaining students in the class did not vote. Which expression gives the precent of voters who voted for candidate A?

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

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 : )

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25