Gabe tried to use the law of cosines to find an unknown angle measure in a triangle. His work is shown. What is Gabe’s error?

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

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.