What is the 72nd term of the arithmetic sequence {an}={1.4,5.5,9.6,13.7,...}

What is the quotient of -3/8and-1/3?

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

Give me the equations of two lines that have the same slope but are not parallel.