Hyun yong wants to donate more than $5000 in laptops and bicycles. each laptop that he donates is worth $200 and each bicycle that he donates is worth $100.write an inequality that represents the number of laptops (l) and bicycles (b) that hyun yong should donate to achieve his goal.

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

This is about circle theorems. someone asap : (

How many terms does the polynomial x^2 y^2 have