A side of the triangle below has been extended to form an exterior angle of 128º. Find the value of x.
1280
20
21°
x=
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If eh = hg and hg=16, find the diameter of k

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

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal