the sum of two numbers is 9 if what number is subtracted from the other of the result is 5 find the numbers

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.