Of the 80 girls in Joy's class, 24 have blond hair. What percent of girls in Joy's class have blond hair?

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.