35/z=20/4 solve the proportion

plz help me solve this ​

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Aline passes through 3,7 and 6,9 what equation represents the line

Solve -3 (r + 5) = -9 enter ur answer in the box x = __