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In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Write the expression 7x^3-28xy^2 as the product of 3 factors