At the end of the night mrs. johnson works with student council to determine their profit on the fundraiser. the least popular item was chips, in which they sold only 21 bags. the chips cost a total of $48.50.were the chips profitable? explain your reasoning.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)