How many lines of symmetry does a parallelogram with sides 2-4-2-4 and angles = 90 degrees

there is a slant on the equal sign for the 90 degrees

Write a ratio and a percent for the shaded area. it is 3x3 and 5x5 grid there is 6 shaded out of a. 6 over 25 , 30% b. 3 over 50 , 6% c.6 over 25 , 24% d. 3 over 10 , 30%