6) There are 45 students in a class. If 80% are present on that day, 9 of the students are absent. 7) In a class of 40 students, 55% are boys. Therefore, there are 22 boys and 16 girls.

please answer with solution

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

I'm confused on this could anyone me and show me what i need to do to solve it.