For a field trip, 56 students registered. on the day of the field trip, 7 students were unable to go. which decimal describes the ratio of students who were unable to go to the number of students who registered for the field trip?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the total area of the figure?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?