Discover Questions

EF = 18, AB = (5n - 9), and DC = (2n + 3). Find n, AB, and DC. ABCD is a trapezoid? Given parallelogram ABCD, diagonals AC and BD intersect at point E. AE=2x, BE= y+10, CE= x+2 and DE= 4y-8. Find y? The structures labeled a, b, c, and d in the following diagram represent (1) organelles (2) organs (3) nuclei (4) mitochondria? Is the Sun only between 3 thousand to 10 thousand miles away from earth? Have we all been told a lie? If 2a+3b+2c=7b, what is the value of a+c?